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712456654216 = 2389057081777
BaseRepresentation
bin10100101111000011011…
…10011100110110001000
32112002222022212222220111
422113201232130312020
543133102400413331
61303144214404104
7102321224432446
oct12274156346610
92462868788814
10712456654216
1125517323134a
12b60b4360634
13522520bb158
14266a9833b96
15137ec97cdb1
hexa5e1b9cd88

712456654216 has 8 divisors (see below), whose sum is σ = 1335856226670. Its totient is φ = 356228327104.

The previous prime is 712456654211. The next prime is 712456654223. The reversal of 712456654216 is 612456654217.

712456654216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 621174117316 + 91282536900 = 788146^2 + 302130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 712456654216.

It is not an unprimeable number, because it can be changed into a prime (712456654211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44528540881 + ... + 44528540896.

Almost surely, 2712456654216 is an apocalyptic number.

It is an amenable number.

712456654216 is a deficient number, since it is larger than the sum of its proper divisors (623399572454).

712456654216 is a wasteful number, since it uses less digits than its factorization.

712456654216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89057081783 (or 89057081779 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

Subtracting from 712456654216 its reverse (612456654217), we obtain a palindrome (99999999999).

The spelling of 712456654216 in words is "seven hundred twelve billion, four hundred fifty-six million, six hundred fifty-four thousand, two hundred sixteen".

Divisors: 1 2 4 8 89057081777 178114163554 356228327108 712456654216