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20231313153056 = 2519162120527567
BaseRepresentation
bin1001001100110011110000…
…01110111101110000100000
32122122002112222222011212122
410212121320032331300200
510122432212131344211
6111010045325443412
74155443541256205
oct446317016756040
978562488864778
1020231313153056
1164a0062933625
122328b69a10568
13b39a5ca59a35
144dd2b4d2dcac
152513e23716db
hex1266783bdc20

20231313153056 has 48 divisors (see below), whose sum is σ = 41952601272960. Its totient is φ = 9577341192960.

The previous prime is 20231313153043. The next prime is 20231313153061. The reversal of 20231313153056 is 65035131313202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9278216 + ... + 11249351.

It is an arithmetic number, because the mean of its divisors is an integer number (874012526520).

Almost surely, 220231313153056 is an apocalyptic number.

It is an amenable number.

20231313153056 is an abundant number, since it is smaller than the sum of its proper divisors (21721288119904).

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

20231313153056 is a wasteful number, since it uses less digits than its factorization.

20231313153056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529217 (or 20529209 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 20231313153056 its reverse (65035131313202), we get a palindrome (85266444466258).

The spelling of 20231313153056 in words is "twenty trillion, two hundred thirty-one billion, three hundred thirteen million, one hundred fifty-three thousand, fifty-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 1621 3242 6484 12968 25936 30799 51872 61598 123196 246392 492784 985568 20527567 41055134 82110268 164220536 328441072 390023773 656882144 780047546 1560095092 3120190184 6240380368 12480760736 33275186107 66550372214 133100744428 266201488856 532402977712 632228536033 1064805955424 1264457072066 2528914144132 5057828288264 10115656576528 20231313153056