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23687493628 = 2223924777713
BaseRepresentation
bin10110000011111000…
…100111011111111100
32021010211012100112211
4112003320213133330
5342002444244003
614514253110204
71465666242121
oct260370473774
967124170484
1023687493628
11a055a77617
124710a88364
13230663cc26
141209d2c748
1593986196d
hex583e277fc

23687493628 has 12 divisors (see below), whose sum is σ = 41626559520. Its totient is φ = 11794190912.

The previous prime is 23687493623. The next prime is 23687493659. The reversal of 23687493628 is 82639478632.

It is a super-2 number, since 2×236874936282 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23687493623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12387901 + ... + 12389812.

It is an arithmetic number, because the mean of its divisors is an integer number (3468879960).

Almost surely, 223687493628 is an apocalyptic number.

It is an amenable number.

23687493628 is a deficient number, since it is larger than the sum of its proper divisors (17939065892).

23687493628 is a wasteful number, since it uses less digits than its factorization.

23687493628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24777956 (or 24777954 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 58.

The spelling of 23687493628 in words is "twenty-three billion, six hundred eighty-seven million, four hundred ninety-three thousand, six hundred twenty-eight".

Divisors: 1 2 4 239 478 956 24777713 49555426 99110852 5921873407 11843746814 23687493628