Search a number
-
+
10207765600780 = 2251131848120749
BaseRepresentation
bin1001010010001010111000…
…1111100001101000001100
31100010212000201212022221111
42110202232033201220030
52314221000443211110
633413214402541404
72102325642663646
oct224425617415014
940125021768844
1010207765600780
1132860a8625000
12118a400067864
1359078527b037
142740b66dd896
1512a7da010e8a
hex948ae3e1a0c

10207765600780 has 96 divisors (see below), whose sum is σ = 23580740232000. Its totient is φ = 3711535027200.

The previous prime is 10207765600777. The next prime is 10207765600783. The reversal of 10207765600780 is 8700656770201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10207765600777) and next prime (10207765600783).

It is not an unprimeable number, because it can be changed into a prime (10207765600783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491953846 + ... + 491974594.

It is an arithmetic number, because the mean of its divisors is an integer number (245632710750).

Almost surely, 210207765600780 is an apocalyptic number.

10207765600780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10207765600780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11790370116000).

10207765600780 is an abundant number, since it is smaller than the sum of its proper divisors (13372974631220).

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

10207765600780 is a wasteful number, since it uses less digits than its factorization.

10207765600780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39272 (or 39248 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 10207765600780 in words is "ten trillion, two hundred seven billion, seven hundred sixty-five million, six hundred thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 1331 2420 2662 5324 6655 13310 18481 20749 26620 36962 41498 73924 82996 92405 103745 184810 203291 207490 228239 369620 406582 414980 456478 813164 912956 1016455 1141195 2032910 2236201 2282390 2510629 4065820 4472402 4564780 5021258 8944804 10042516 11181005 12553145 22362010 24598211 25106290 27616919 44724020 49196422 50212580 55233838 98392844 110467676 122991055 138084595 245982110 276169190 383462269 491964220 552338380 766924538 1533849076 1917311345 3834622690 4218084959 7669245380 8436169918 16872339836 21090424795 42180849590 46398934549 84361699180 92797869098 185595738196 231994672745 463989345490 510388280039 927978690980 1020776560078 2041553120156 2551941400195 5103882800390 10207765600780