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231514532211051 = 351950143931603
BaseRepresentation
bin110100101000111110101101…
…011100111110100101101011
31010100201120110210212202200000
4310220332231130332211223
5220321113230221223201
62140220150254114043
766523241634262605
oct6450765534764553
91110646423782600
10231514532211051
1167849841952a71
1221b710984ab923
139c2495a775b7b
144125512692175
151bb7356e22d86
hexd28fad73e96b

231514532211051 has 24 divisors (see below), whose sum is σ = 365047822077120. Its totient is φ = 146219704551432.

The previous prime is 231514532211049. The next prime is 231514532211059. The reversal of 231514532211051 is 150112235415132.

231514532211051 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 1 + 4 + 532 + 2 + 110 + 5 + 1 = 666.

It is not a de Polignac number, because 231514532211051 - 21 = 231514532211049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231514532210997 and 231514532211015.

It is not an unprimeable number, because it can be changed into a prime (231514532211059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25071961185 + ... + 25071970418.

It is an arithmetic number, because the mean of its divisors is an integer number (15210325919880).

Almost surely, 2231514532211051 is an apocalyptic number.

231514532211051 is a deficient number, since it is larger than the sum of its proper divisors (133533289866069).

231514532211051 is an equidigital number, since it uses as much as digits as its factorization.

231514532211051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50143931637 (or 50143931625 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 231514532211051 its reverse (150112235415132), we get a palindrome (381626767626183).

The spelling of 231514532211051 in words is "two hundred thirty-one trillion, five hundred fourteen billion, five hundred thirty-two million, two hundred eleven thousand, fifty-one".

Divisors: 1 3 9 19 27 57 81 171 243 513 1539 4617 50143931603 150431794809 451295384427 952734700457 1353886153281 2858204101371 4061658459843 8574612304113 12184975379529 25723836912339 77171510737017 231514532211051