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431327400972 = 223132764919237
BaseRepresentation
bin1100100011011010001…
…11011101010000001100
31112020022221121020011220
412101231013131100030
524031324303312342
6530052111043340
743106460262356
oct6215507352014
91466287536156
10431327400972
11156a1a089426
126b716810550
133189ba133b0
1416c3aa220d6
15b346d265ec
hex646d1dd40c

431327400972 has 24 divisors (see below), whose sum is σ = 1083848341296. Its totient is φ = 132716123328.

The previous prime is 431327400941. The next prime is 431327400991. The reversal of 431327400972 is 279004723134.

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, 1382459463 + ... + 1382459774.

It is an arithmetic number, because the mean of its divisors is an integer number (45160347554).

Almost surely, 2431327400972 is an apocalyptic number.

It is an amenable number.

431327400972 is an abundant number, since it is smaller than the sum of its proper divisors (652520940324).

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

431327400972 is a wasteful number, since it uses less digits than its factorization.

431327400972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764919257 (or 2764919255 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 431327400972 in words is "four hundred thirty-one billion, three hundred twenty-seven million, four hundred thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2764919237 5529838474 8294757711 11059676948 16589515422 33179030844 35943950081 71887900162 107831850243 143775800324 215663700486 431327400972