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10131762520 = 2351197277857
BaseRepresentation
bin10010110111110011…
…00110110101011000
3222011002200212022201
421123321212311120
5131222212400040
64353210455544
7506034363145
oct113371466530
928132625281
1010131762520
11432a130160
121b691345b4
13c560a2269
146c18613cc
153e4738a9a
hex25be66d58

10131762520 has 128 divisors (see below), whose sum is σ = 25245380160. Its totient is φ = 3628892160.

The previous prime is 10131762517. The next prime is 10131762533. The reversal of 10131762520 is 2526713101.

It is a happy number.

It is a super-2 number, since 2×101317625202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 11821932 + ... + 11822788.

Almost surely, 210131762520 is an apocalyptic number.

10131762520 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 10131762520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12622690080).

10131762520 is an abundant number, since it is smaller than the sum of its proper divisors (15113617640).

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

10131762520 is a wasteful number, since it uses less digits than its factorization.

10131762520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 10131762520 in words is "ten billion, one hundred thirty-one million, seven hundred sixty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 97 110 194 220 277 388 440 485 554 776 857 970 1067 1108 1385 1714 1940 2134 2216 2770 3047 3428 3880 4268 4285 5335 5540 6094 6856 8536 8570 9427 10670 11080 12188 15235 17140 18854 21340 24376 26869 30470 34280 37708 42680 47135 53738 60940 75416 83129 94270 107476 121880 134345 166258 188540 214952 237389 268690 295559 332516 377080 415645 474778 537380 591118 665032 831290 914419 949556 1074760 1182236 1186945 1477795 1662580 1828838 1899112 2364472 2373890 2611279 2955590 3325160 3657676 4572095 4747780 5222558 5911180 7315352 9144190 9495560 10445116 11822360 13056395 18288380 20890232 23026733 26112790 36576760 46053466 52225580 92106932 104451160 115133665 184213864 230267330 253294063 460534660 506588126 921069320 1013176252 1266470315 2026352504 2532940630 5065881260 10131762520