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23689427888 = 247230216107
BaseRepresentation
bin10110000011111111…
…111111101110110000
32021010221211121212002
4112003333333232300
5342003443143023
614514402353132
71466021546300
oct260377775660
967127747762
1023689427888
11a057078885
12471165b7a8
132306b69469
14120a2b3600
15939ae4b28
hex583fffbb0

23689427888 has 30 divisors (see below), whose sum is σ = 53391862836. Its totient is φ = 10152611616.

The previous prime is 23689427831. The next prime is 23689427899. The reversal of 23689427888 is 88872498632.

It is a super-2 number, since 2×236894278882 (a number of 22 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 15107270 + ... + 15108837.

Almost surely, 223689427888 is an apocalyptic number.

23689427888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23689427888 is an abundant number, since it is smaller than the sum of its proper divisors (29702434948).

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

23689427888 is a wasteful number, since it uses less digits than its factorization.

23689427888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30216129 (or 30216116 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 65.

The spelling of 23689427888 in words is "twenty-three billion, six hundred eighty-nine million, four hundred twenty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 30216107 60432214 120864428 211512749 241728856 423025498 483457712 846050996 1480589243 1692101992 2961178486 3384203984 5922356972 11844713944 23689427888