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72130463711 = 569312670027
BaseRepresentation
bin100001100101101001…
…1111000011111011111
320220011220012012122222
41003023103320133133
52140210344314321
653045234055555
75132313553055
oct1031323703737
9226156165588
1072130463711
1128654847a89
1211b9041a5bb
136a56940577
1436c39521d5
151d226943ab
hex10cb4f87df

72130463711 has 4 divisors (see below), whose sum is σ = 72143139432. Its totient is φ = 72117787992.

The previous prime is 72130463693. The next prime is 72130463807. The reversal of 72130463711 is 11736403127.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72130463711 - 234 = 54950594527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72130063711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6329321 + ... + 6340706.

It is an arithmetic number, because the mean of its divisors is an integer number (18035784858).

Almost surely, 272130463711 is an apocalyptic number.

72130463711 is a deficient number, since it is larger than the sum of its proper divisors (12675721).

72130463711 is a wasteful number, since it uses less digits than its factorization.

72130463711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12675720.

The product of its (nonzero) digits is 21168, while the sum is 35.

Adding to 72130463711 its reverse (11736403127), we get a palindrome (83866866838).

The spelling of 72130463711 in words is "seventy-two billion, one hundred thirty million, four hundred sixty-three thousand, seven hundred eleven".

Divisors: 1 5693 12670027 72130463711