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90260181763900 = 225217412105961493
BaseRepresentation
bin10100100001011101010110…
…000100100100011100111100
3102211120210022020222022220021
4110201131112010210130330
543312310323012421100
6515544542143501524
725004040306132361
oct2441352604443474
9384523266868807
1090260181763900
112683a145589315
12a1590402b78a4
133b49663607795
14184088a850468
15a67d1b4a9a1a
hex52175612473c

90260181763900 has 144 divisors (see below), whose sum is σ = 212457780269280. Its totient is φ = 33149402521600.

The previous prime is 90260181763877. The next prime is 90260181763903. The reversal of 90260181763900 is 936718106209.

It is a happy number.

It is a super-2 number, since 2×902601817639002 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90260181763903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467781554 + ... + 1467843046.

It is an arithmetic number, because the mean of its divisors is an integer number (1475401251870).

Almost surely, 290260181763900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90260181763900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106228890134640).

90260181763900 is an abundant number, since it is smaller than the sum of its proper divisors (122197598505380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90260181763900 is a wasteful number, since it uses less digits than its factorization.

90260181763900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82624 (or 82617 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 90260181763900 in words is "ninety trillion, two hundred sixty billion, one hundred eighty-one million, seven hundred sixty-three thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 41 50 68 82 85 100 164 170 205 340 410 425 697 820 850 1025 1394 1700 2050 2788 3485 4100 6970 13940 17425 21059 34850 42118 61493 69700 84236 105295 122986 210590 245972 307465 358003 421180 526475 614930 716006 863419 1045381 1052950 1229860 1432012 1537325 1726838 1790015 2090762 2105900 2521213 3074650 3453676 3580030 4181524 4317095 5042426 5226905 6149300 7160060 8634190 8950075 10084852 10453810 12606065 14678123 17268380 17900150 20907620 21585475 25212130 26134525 29356246 35800300 42860621 43170950 50424260 52269050 58712492 63030325 73390615 85721242 86341900 104538100 126060650 146781230 171442484 214303105 252121300 293562460 366953075 428606210 733906150 857212420 1071515525 1294981087 1467812300 2143031050 2589962174 4286062100 5179924348 6474905435 12949810870 22014678479 25899621740 32374527175 44029356958 53094224567 64749054350 88058713916 106188449134 110073392395 129498108700 212376898268 220146784790 265471122835 440293569580 530942245670 550366961975 902601817639 1061884491340 1100733923950 1327355614175 1805203635278 2201467847900 2654711228350 3610407270556 4513009088195 5309422456700 9026018176390 18052036352780 22565045440975 45130090881950 90260181763900