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231350616351444 = 223131147169603277
BaseRepresentation
bin110100100110100110000011…
…010011100110001011010100
31010100010220101020021100010210
4310212212003103212023110
5220310422030241221234
62140013001140245420
766505346641412232
oct6446460323461324
91110126336240123
10231350616351444
11677962776a55a7
1221b453713a0870
139c12367167675
14411b602a8b952
151bb2e617d0be9
hexd269834e62d4

231350616351444 has 24 divisors (see below), whose sum is σ = 543938853715488. Its totient is φ = 76528193703520.

The previous prime is 231350616351427. The next prime is 231350616351451. The reversal of 231350616351444 is 444153616053132.

It is a junction number, because it is equal to n+sod(n) for n = 231350616351393 and 231350616351402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73584800067 + ... + 73584803210.

It is an arithmetic number, because the mean of its divisors is an integer number (22664118904812).

Almost surely, 2231350616351444 is an apocalyptic number.

It is an amenable number.

231350616351444 is an abundant number, since it is smaller than the sum of its proper divisors (312588237364044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231350616351444 is a wasteful number, since it uses less digits than its factorization.

231350616351444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147169603415 (or 147169603413 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 231350616351444 in words is "two hundred thirty-one trillion, three hundred fifty billion, six hundred sixteen million, three hundred fifty-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 147169603277 294339206554 441508809831 588678413108 883017619662 1766035239324 19279218029287 38558436058574 57837654087861 77116872117148 115675308175722 231350616351444