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70051544707 = 495311414297
BaseRepresentation
bin100000100111101100…
…1011011111010000011
320200211000100011220211
41001033121123322003
52121431143412312
652103051414551
75026641206524
oct1011731337203
9220730304824
1070051544707
11277882a8401
12116b0154457
1367b5023b91
1435677d284b
151c4ede33a7
hex104f65be83

70051544707 has 4 divisors (see below), whose sum is σ = 70053008536. Its totient is φ = 70050080880.

The previous prime is 70051544653. The next prime is 70051544711. The reversal of 70051544707 is 70744515007.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70744515007 = 247328606759.

It is a cyclic number.

It is not a de Polignac number, because 70051544707 - 227 = 69917326979 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 70051544707.

It is not an unprimeable number, because it can be changed into a prime (70051544737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657618 + ... + 756679.

It is an arithmetic number, because the mean of its divisors is an integer number (17513252134).

Almost surely, 270051544707 is an apocalyptic number.

70051544707 is a deficient number, since it is larger than the sum of its proper divisors (1463829).

70051544707 is a wasteful number, since it uses less digits than its factorization.

70051544707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463828.

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 70051544707 in words is "seventy billion, fifty-one million, five hundred forty-four thousand, seven hundred seven".

Divisors: 1 49531 1414297 70051544707