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52025542231 = 13231671041907
BaseRepresentation
bin110000011100111101…
…101100011001010111
311222021202020101012111
4300130331230121113
51323022014322411
635522235531451
73521145545455
oct603475543127
9158252211174
1052025542231
11200780759a3
12a0bb2b9b87
134ba15bb020
1427377579d5
151547600721
hexc1cf6c657

52025542231 has 16 divisors (see below), whose sum is σ = 58813622784. Its totient is φ = 45660488544.

The previous prime is 52025542229. The next prime is 52025542243. The reversal of 52025542231 is 13224552025.

It is a cyclic number.

It is not a de Polignac number, because 52025542231 - 21 = 52025542229 is a prime.

It is a super-2 number, since 2×520255422312 (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 = 52025542193 and 52025542202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52025542291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471021 + ... + 570886.

It is an arithmetic number, because the mean of its divisors is an integer number (3675851424).

Almost surely, 252025542231 is an apocalyptic number.

52025542231 is a deficient number, since it is larger than the sum of its proper divisors (6788080553).

52025542231 is a wasteful number, since it uses less digits than its factorization.

52025542231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042110.

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 52025542231 in words is "fifty-two billion, twenty-five million, five hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 13 23 167 299 2171 3841 49933 1041907 13544791 23963861 173998469 311530193 2261980097 4001964787 52025542231