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70634043607 = 101581695347
BaseRepresentation
bin100000111001000011…
…1011111100011010111
320202022121102012012011
41001302013133203113
52124124303343412
652240540405051
75050243315201
oct1016207374327
9222277365164
1070634043607
1127a57092456
1211833246787
13687890289a
1435c0d01771
151c861057a7
hex10721df8d7

70634043607 has 4 divisors (see below), whose sum is σ = 70634840536. Its totient is φ = 70633246680.

The previous prime is 70634043587. The next prime is 70634043637.

70634043607 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70634043607 is a prime.

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 70634043607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70634043637) 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, 246093 + ... + 449254.

It is an arithmetic number, because the mean of its divisors is an integer number (17658710134).

Almost surely, 270634043607 is an apocalyptic number.

70634043607 is a deficient number, since it is larger than the sum of its proper divisors (796929).

70634043607 is a wasteful number, since it uses less digits than its factorization.

70634043607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796928.

The product of its (nonzero) digits is 254016, while the sum is 40.

It can be divided in two parts, 706340 and 43607, that added together give a palindrome (749947).

The spelling of 70634043607 in words is "seventy billion, six hundred thirty-four million, forty-three thousand, six hundred seven".

Divisors: 1 101581 695347 70634043607