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23946785858 = 21094232
BaseRepresentation
bin10110010011010101…
…101111010001000010
32021210220002202121202
4112103111233101002
5343020334121413
615000114421202
71505265215132
oct262325572102
967726082552
1023946785858
11a179377716
124783891802
132348286c98
141232546ac2
159524cde58
hex59356f442

23946785858 has 6 divisors (see below), whose sum is σ = 35920507059. Its totient is φ = 11973283506.

The previous prime is 23946785813. The next prime is 23946785861. The reversal of 23946785858 is 85858764932.

It can be written as a sum of positive squares in only one way, i.e., 11973392929 + 11973392929 = 109423^2 + 109423^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=109423.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23946785794 and 23946785803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 164135 + ... + 273557.

Almost surely, 223946785858 is an apocalyptic number.

23946785858 is a deficient number, since it is larger than the sum of its proper divisors (11973721201).

23946785858 is an frugal number, since it uses more digits than its factorization.

23946785858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218848 (or 109425 counting only the distinct ones).

The product of its digits is 116121600, while the sum is 65.

The spelling of 23946785858 in words is "twenty-three billion, nine hundred forty-six million, seven hundred eighty-five thousand, eight hundred fifty-eight".

Divisors: 1 2 109423 218846 11973392929 23946785858