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54971392912 = 243435712057
BaseRepresentation
bin110011001100100011…
…001110001110010000
312020220001101002122021
4303030203032032100
51400040134033122
641130431421224
73654146062432
oct631443161620
9166801332567
1054971392912
1121349a11137
12a7a1984814
1352509c3637
142936aa6652
15166b04a1c7
hexccc8ce390

54971392912 has 10 divisors (see below), whose sum is σ = 106507073798. Its totient is φ = 27485696448.

The previous prime is 54971392901. The next prime is 54971392913. The reversal of 54971392912 is 21929317945.

It can be written as a sum of positive squares in only one way, i.e., 50425397136 + 4545995776 = 224556^2 + 67424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54971392912.

It is not an unprimeable number, because it can be changed into a prime (54971392913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717856013 + ... + 1717856044.

Almost surely, 254971392912 is an apocalyptic number.

It is an amenable number.

54971392912 is a deficient number, since it is larger than the sum of its proper divisors (51535680886).

54971392912 is a wasteful number, since it uses less digits than its factorization.

54971392912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435712065 (or 3435712059 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 52.

The spelling of 54971392912 in words is "fifty-four billion, nine hundred seventy-one million, three hundred ninety-two thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 3435712057 6871424114 13742848228 27485696456 54971392912