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23495984656 = 24383212
BaseRepresentation
bin10101111000011110…
…000100011000010000
32020122110211200121221
4111320132010120100
5341104433002111
614443252254424
71461152400664
oct257036043020
966573750557
1023495984656
119a67964041
124678911414
1322a5a69701
1411cc71a8a4
15927b33371
hex578784610

23495984656 has 15 divisors (see below), whose sum is σ = 45524658253. Its totient is φ = 11747685760.

The previous prime is 23495984653. The next prime is 23495984693. The reversal of 23495984656 is 65648959432.

The square root of 23495984656 is 153284.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14524106256 + 8971878400 = 120516^2 + 94720^2 .

It is a super-2 number, since 2×234959846562 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23495984594 and 23495984603.

It is not an unprimeable number, because it can be changed into a prime (23495984653) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 593976 + ... + 632296.

Almost surely, 223495984656 is an apocalyptic number.

23495984656 is the 153284-th square number.

It is an amenable number.

23495984656 is a deficient number, since it is larger than the sum of its proper divisors (22028673597).

23495984656 is an frugal number, since it uses more digits than its factorization.

23495984656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76650 (or 38323 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 61.

The spelling of 23495984656 in words is "twenty-three billion, four hundred ninety-five million, nine hundred eighty-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 38321 76642 153284 306568 613136 1468499041 2936998082 5873996164 11747992328 23495984656