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231274848729 = 3415153364891
BaseRepresentation
bin1101011101100100001…
…1100010000111011001
3211002221221102121120010
43113121003202013121
512242122330124404
6254125102352133
722465130531001
oct3273103420731
9732857377503
10231274848729
118a0a0693a21
12389a558b649
1318a69854222
14b29d981001
156038e71189
hex35d90e21d9

231274848729 has 16 divisors (see below), whose sum is σ = 315949765824. Its totient is φ = 150393062400.

The previous prime is 231274848713. The next prime is 231274848733. The reversal of 231274848729 is 927848472132.

231274848729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231274848729 - 24 = 231274848713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231274848709) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 451374 + ... + 816264.

It is an arithmetic number, because the mean of its divisors is an integer number (19746860364).

Almost surely, 2231274848729 is an apocalyptic number.

It is an amenable number.

231274848729 is a deficient number, since it is larger than the sum of its proper divisors (84674917095).

231274848729 is a wasteful number, since it uses less digits than its factorization.

231274848729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370088.

The product of its digits is 10838016, while the sum is 57.

The spelling of 231274848729 in words is "two hundred thirty-one billion, two hundred seventy-four million, eight hundred forty-eight thousand, seven hundred twenty-nine".

Divisors: 1 3 41 123 5153 15459 211273 364891 633819 1094673 14960531 44881593 1880283323 5640849969 77091616243 231274848729