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23020558953 = 3737157118859
BaseRepresentation
bin10101011100001000…
…011101101001101001
32012102100020120011120
4111130020131221221
5334121230341303
614324150245453
71443320344140
oct253410355151
965370216146
1023020558953
119843561737
124565656889
13222b409b22
141185520757
158eb021553
hex55c21da69

23020558953 has 32 divisors (see below), whose sum is σ = 36051870720. Its totient is φ = 12790249920.

The previous prime is 23020558943. The next prime is 23020558997. The reversal of 23020558953 is 35985502032.

It is not a de Polignac number, because 23020558953 - 24 = 23020558937 is a prime.

It is a super-2 number, since 2×230205589532 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23020558943) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1211238 + ... + 1230096.

It is an arithmetic number, because the mean of its divisors is an integer number (1126620960).

Almost surely, 223020558953 is an apocalyptic number.

It is an amenable number.

23020558953 is a deficient number, since it is larger than the sum of its proper divisors (13031311767).

23020558953 is a wasteful number, since it uses less digits than its factorization.

23020558953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20477.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 23020558953 in words is "twenty-three billion, twenty million, five hundred fifty-eight thousand, nine hundred fifty-three".

Divisors: 1 3 7 21 37 111 259 777 1571 4713 10997 18859 32991 56577 58127 132013 174381 396039 406889 697783 1220667 2093349 4884481 14653443 29627489 88882467 207392423 622177269 1096217093 3288651279 7673519651 23020558953