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70715051707 = 200335304569
BaseRepresentation
bin100000111011011110…
…0100000111010111011
320202112020211211102011
41001312330200322323
52124311023123312
652252552550351
75052246010336
oct1016674407273
9222466754364
1070715051707
1127a98891aa3
12118563b23b7
13688c626a81
1435cb98b61d
151c8d2a7da7
hex1076f20ebb

70715051707 has 4 divisors (see below), whose sum is σ = 70750358280. Its totient is φ = 70679745136.

The previous prime is 70715051663. The next prime is 70715051749.

70715051707 is nontrivially palindromic in base 10.

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 70715051707 - 27 = 70715051579 is a prime.

It is a super-2 number, since 2×707150517072 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70715051707.

It is not an unprimeable number, because it can be changed into a prime (70715051207) 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, 17650282 + ... + 17654287.

It is an arithmetic number, because the mean of its divisors is an integer number (17687589570).

Almost surely, 270715051707 is an apocalyptic number.

70715051707 is a deficient number, since it is larger than the sum of its proper divisors (35306573).

70715051707 is a wasteful number, since it uses less digits than its factorization.

70715051707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35306572.

The product of its (nonzero) digits is 60025, while the sum is 40.

It can be divided in two parts, 707150 and 51707, that added together give a palindrome (758857).

The spelling of 70715051707 in words is "seventy billion, seven hundred fifteen million, fifty-one thousand, seven hundred seven".

Divisors: 1 2003 35304569 70715051707