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10145243272 = 2317231141551
BaseRepresentation
bin10010111001011010…
…00010000010001000
3222012001001202102211
421130231002002020
5131234140241042
64354411434504
7506260100503
oct113455020210
928161052384
1010145243272
1143367a847a
121b71755a34
13c58b12238
146c357013a
153e59ed017
hex25cb42088

10145243272 has 48 divisors (see below), whose sum is σ = 20859102720. Its totient is φ = 4620192000.

The previous prime is 10145243267. The next prime is 10145243281. The reversal of 10145243272 is 27234254101.

It is a happy number.

It is a super-2 number, since 2×101452432722 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897 + ... + 142447.

It is an arithmetic number, because the mean of its divisors is an integer number (434564640).

Almost surely, 210145243272 is an apocalyptic number.

It is an amenable number.

10145243272 is an abundant number, since it is smaller than the sum of its proper divisors (10713859448).

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

10145243272 is a wasteful number, since it uses less digits than its factorization.

10145243272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141622 (or 141601 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

Adding to 10145243272 its reverse (27234254101), we get a palindrome (37379497373).

The spelling of 10145243272 in words is "ten billion, one hundred forty-five million, two hundred forty-three thousand, two hundred seventy-two".

Divisors: 1 2 4 8 17 31 34 62 68 124 136 248 289 527 578 1054 1156 2108 2312 4216 8959 17918 35836 71672 141551 283102 566204 1132408 2406367 4388081 4812734 8776162 9625468 17552324 19250936 35104648 40908239 74597377 81816478 149194754 163632956 298389508 327265912 596779016 1268155409 2536310818 5072621636 10145243272