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23152423552 = 271911384247
BaseRepresentation
bin10101100011111111…
…011111001010000000
32012202112100222101121
4111203333133022000
5334404010023202
614345220442024
71446511232056
oct254377371200
965675328347
1023152423552
119900a37545
1245a1849314
13224c82920b
141198c481d6
159078bc537
hex563fdf280

23152423552 has 64 divisors (see below), whose sum is σ = 48981787200. Its totient is φ = 10869755904.

The previous prime is 23152423531. The next prime is 23152423559. The reversal of 23152423552 is 25532425132.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (23152423559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232693 + ... + 316939.

It is an arithmetic number, because the mean of its divisors is an integer number (765340425).

Almost surely, 223152423552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23152423552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24490893600).

23152423552 is an abundant number, since it is smaller than the sum of its proper divisors (25829363648).

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

23152423552 is a wasteful number, since it uses less digits than its factorization.

23152423552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84393 (or 84381 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

Adding to 23152423552 its reverse (25532425132), we get a palindrome (48684848684).

The spelling of 23152423552 in words is "twenty-three billion, one hundred fifty-two million, four hundred twenty-three thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 19 32 38 64 76 113 128 152 226 304 452 608 904 1216 1808 2147 2432 3616 4294 7232 8588 14464 17176 34352 68704 84247 137408 168494 274816 336988 673976 1347952 1600693 2695904 3201386 5391808 6402772 9519911 10783616 12805544 19039822 25611088 38079644 51222176 76159288 102444352 152318576 180878309 204888704 304637152 361756618 609274304 723513236 1218548608 1447026472 2894052944 5788105888 11576211776 23152423552