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23173317071740 = 22511532817072669
BaseRepresentation
bin1010100010011011101010…
…10101010001001101111100
310001001100101022101021020001
411101031311111101031330
511014132423132243430
6121141401440004044
74611134254051153
oct521156525211574
9101040338337201
1023173317071740
1174248263a5a90
122723189000624
13cc1308049654
145a184756c59a
152a2bd024b3ca
hex15137555137c

23173317071740 has 96 divisors (see below), whose sum is σ = 54282119855040. Its totient is φ = 8238243686400.

The previous prime is 23173317071693. The next prime is 23173317071761. The reversal of 23173317071740 is 4717071337132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259875 + ... + 6812794.

It is an arithmetic number, because the mean of its divisors is an integer number (565438748490).

Almost surely, 223173317071740 is an apocalyptic number.

23173317071740 is a gapful number since it is divisible by the number (20) 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 23173317071740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27141059927520).

23173317071740 is an abundant number, since it is smaller than the sum of its proper divisors (31108802783300).

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

23173317071740 is a wasteful number, since it uses less digits than its factorization.

23173317071740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073023 (or 7073021 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 46.

The spelling of 23173317071740 in words is "twenty-three trillion, one hundred seventy-three billion, three hundred seventeen million, seventy-one thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 53 55 106 110 212 220 265 281 530 562 583 1060 1124 1166 1405 2332 2810 2915 3091 5620 5830 6182 11660 12364 14893 15455 29786 30910 59572 61820 74465 148930 163823 297860 327646 655292 819115 1638230 3276460 7072669 14145338 28290676 35363345 70726690 77799359 141453380 155598718 311197436 374851457 388996795 749702914 777993590 1499405828 1555987180 1874257285 1987419989 3748514570 3974839978 4123366027 7497029140 7949679956 8246732054 9937099945 16493464108 19874199890 20616830135 21861619879 39748399780 41233660270 43723239758 82467320540 87446479516 105333259417 109308099395 210666518834 218616198790 421333037668 437232397580 526666297085 1053332594170 1158665853587 2106665188340 2317331707174 4634663414348 5793329267935 11586658535870 23173317071740