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23700473137 = 1119498722739
BaseRepresentation
bin10110000100101010…
…001000010100110001
32021011201121210002101
4112010222020110301
5342014310120022
614515435220401
71466214461215
oct260452102461
967151553071
1023700473137
11a062332290
1247152a7701
132309235a03
14120b94a945
1593aa77627
hex584a88531

23700473137 has 16 divisors (see below), whose sum is σ = 27222508800. Its totient is φ = 20406900240.

The previous prime is 23700473123. The next prime is 23700473141. The reversal of 23700473137 is 73137400732.

It is a cyclic number.

It is not a de Polignac number, because 23700473137 - 227 = 23566255409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23700473096 and 23700473105.

It is not an unprimeable number, because it can be changed into a prime (23700473117) 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 15 ways as a sum of consecutive naturals, for example, 1030914 + ... + 1053652.

It is an arithmetic number, because the mean of its divisors is an integer number (1701406800).

Almost surely, 223700473137 is an apocalyptic number.

It is an amenable number.

23700473137 is a deficient number, since it is larger than the sum of its proper divisors (3522035663).

23700473137 is a wasteful number, since it uses less digits than its factorization.

23700473137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27756.

The product of its (nonzero) digits is 74088, while the sum is 37.

Adding to 23700473137 its reverse (73137400732), we get a palindrome (96837873869).

The spelling of 23700473137 in words is "twenty-three billion, seven hundred million, four hundred seventy-three thousand, one hundred thirty-seven".

Divisors: 1 11 19 209 4987 22739 54857 94753 250129 432041 1042283 4752451 113399393 1247393323 2154588467 23700473137