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231514040442052 = 22110993975553881
BaseRepresentation
bin110100101000111110010000…
…001001000001110011000100
31010100201112012112112022102101
4310220332100021001303010
5220321111223323121202
62140220025405521444
766523223513310004
oct6450762011016304
91110645175468371
10231514040442052
116784960a2a8705
1221b70b7b873284
139c248ac9133b4
1441254a7240004
151bb7328b83887
hexd28f90241cc4

231514040442052 has 24 divisors (see below), whose sum is σ = 405558126189720. Its totient is φ = 115640312359680.

The previous prime is 231514040442019. The next prime is 231514040442071. The reversal of 231514040442052 is 250244040415132.

It can be written as a sum of positive squares in 4 ways, for example, as 51711257630916 + 179802782811136 = 7191054^2 + 13409056^2 .

It is an unprimeable number.

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, 38908152 + ... + 44462032.

It is an arithmetic number, because the mean of its divisors is an integer number (16898255257905).

Almost surely, 2231514040442052 is an apocalyptic number.

It is an amenable number.

231514040442052 is a deficient number, since it is larger than the sum of its proper divisors (174044085747668).

231514040442052 is a wasteful number, since it uses less digits than its factorization.

231514040442052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564391 (or 5564389 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 231514040442052 its reverse (250244040415132), we get a palindrome (481758080857184).

The spelling of 231514040442052 in words is "two hundred thirty-one trillion, five hundred fourteen billion, forty million, four hundred forty-two thousand, fifty-two".

Divisors: 1 2 4 1109 2218 4436 9397 18794 37588 5553881 10421273 11107762 20842546 22215524 41685092 6159254029 12318508058 24637016116 52189819757 104379639514 208759279028 57878510110513 115757020221026 231514040442052