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23727742472 = 237894760783
BaseRepresentation
bin10110000110010010…
…001001111000001000
32021020121221012120202
4112012102021320020
5342043300224342
614522251511332
71466665324520
oct260622117010
967217835522
1023727742472
11a076768125
124722458548
132311a92b05
141211408680
1593d162332
hex586489e08

23727742472 has 32 divisors (see below), whose sum is σ = 51416467200. Its totient is φ = 10054771584.

The previous prime is 23727742463. The next prime is 23727742477. The reversal of 23727742472 is 27424772732.

It is not an unprimeable number, because it can be changed into a prime (23727742477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375408 + ... + 2385375.

It is an arithmetic number, because the mean of its divisors is an integer number (1606764600).

Almost surely, 223727742472 is an apocalyptic number.

It is an amenable number.

23727742472 is an abundant number, since it is smaller than the sum of its proper divisors (27688724728).

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

23727742472 is a wasteful number, since it uses less digits than its factorization.

23727742472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760885 (or 4760881 counting only the distinct ones).

The product of its digits is 1843968, while the sum is 47.

The spelling of 23727742472 in words is "twenty-three billion, seven hundred twenty-seven million, seven hundred forty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 89 178 356 623 712 1246 2492 4984 4760783 9521566 19043132 33325481 38086264 66650962 133301924 266603848 423709687 847419374 1694838748 2965967809 3389677496 5931935618 11863871236 23727742472