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71111372007 = 3131823368513
BaseRepresentation
bin100001000111010010…
…0010110110011100111
320210112212120222122210
41002032210112303213
52131114002401012
652400151254503
75065130455164
oct1021644266347
9223485528583
1071111372007
1128181574335
121194707a433
13692377a520
14362847506b
151cb2e9123c
hex108e916ce7

71111372007 has 8 divisors (see below), whose sum is σ = 102108636784. Its totient is φ = 43760844288.

The previous prime is 71111371997. The next prime is 71111372021. The reversal of 71111372007 is 70027311117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71111372007 - 216 = 71111306471 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 (71111372107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911684218 + ... + 911684295.

It is an arithmetic number, because the mean of its divisors is an integer number (12763579598).

Almost surely, 271111372007 is an apocalyptic number.

71111372007 is a deficient number, since it is larger than the sum of its proper divisors (30997264777).

71111372007 is a wasteful number, since it uses less digits than its factorization.

71111372007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823368529.

The product of its (nonzero) digits is 2058, while the sum is 30.

The spelling of 71111372007 in words is "seventy-one billion, one hundred eleven million, three hundred seventy-two thousand, seven".

Divisors: 1 3 13 39 1823368513 5470105539 23703790669 71111372007