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53021525011 = 7213139959497
BaseRepresentation
bin110001011000010101…
…000100010000010011
312001212011100112201121
4301120111010100103
51332042002300021
640205135143111
73554631345400
oct613025042023
9161764315647
1053021525011
11205392a5564
12a338974a97
134ccca4c850
1427cdb3b2a7
1515a4c8b741
hexc58544413

53021525011 has 24 divisors (see below), whose sum is σ = 66471165600. Its totient is φ = 41920405632.

The previous prime is 53021524987. The next prime is 53021525017. The reversal of 53021525011 is 11052512035.

It is not a de Polignac number, because 53021525011 - 227 = 52887307283 is a prime.

It is a super-2 number, since 2×530215250112 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53021525017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861415 + ... + 920911.

It is an arithmetic number, because the mean of its divisors is an integer number (2769631900).

Almost surely, 253021525011 is an apocalyptic number.

53021525011 is a deficient number, since it is larger than the sum of its proper divisors (13449640589).

53021525011 is a wasteful number, since it uses less digits than its factorization.

53021525011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60923 (or 60916 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 53021525011 in words is "fifty-three billion, twenty-one million, five hundred twenty-five thousand, eleven".

Divisors: 1 7 13 49 91 637 1399 9793 18187 59497 68551 127309 416479 773461 891163 2915353 5414227 37899589 83236303 582654121 1082071939 4078578847 7574503573 53021525011