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70886019011 = 571124143641
BaseRepresentation
bin100001000000100100…
…0101100111111000011
320202222011112212110112
41002001020230333003
52130133310102021
652321541221535
75056423135313
oct1020110547703
9222864485415
1070886019011
1128076345295
12118a37018ab
1368b8b87462
143606573443
151c9d2c9d5b
hex108122cfc3

70886019011 has 4 divisors (see below), whose sum is σ = 71010163224. Its totient is φ = 70761874800.

The previous prime is 70886018981. The next prime is 70886019079. The reversal of 70886019011 is 11091068807.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70886019011 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 70886019011.

It is not an unprimeable number, because it can be changed into a prime (70886016011) 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, 62071250 + ... + 62072391.

It is an arithmetic number, because the mean of its divisors is an integer number (17752540806).

Almost surely, 270886019011 is an apocalyptic number.

70886019011 is a deficient number, since it is larger than the sum of its proper divisors (124144213).

70886019011 is a wasteful number, since it uses less digits than its factorization.

70886019011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124144212.

The product of its (nonzero) digits is 24192, while the sum is 41.

The spelling of 70886019011 in words is "seventy billion, eight hundred eighty-six million, nineteen thousand, eleven".

Divisors: 1 571 124143641 70886019011