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70902070811 = 1113835973719
BaseRepresentation
bin100001000001000010…
…1111011111000011011
320210000021202101101122
41002002011323320123
52130201412231221
652323313235455
75060006441465
oct1020205737033
9223007671348
1070902070811
1128084409240
12118a8b62b8b
1368bc2b7770
143608751135
151c9e8eaeab
hex108217be1b

70902070811 has 16 divisors (see below), whose sum is σ = 84301136640. Its totient is φ = 58781385120.

The previous prime is 70902070807. The next prime is 70902070819. The reversal of 70902070811 is 11807020907.

It is a cyclic number.

It is not a de Polignac number, because 70902070811 - 22 = 70902070807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70902070819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974991 + ... + 2998728.

It is an arithmetic number, because the mean of its divisors is an integer number (5268821040).

Almost surely, 270902070811 is an apocalyptic number.

70902070811 is a deficient number, since it is larger than the sum of its proper divisors (13399065829).

70902070811 is a wasteful number, since it uses less digits than its factorization.

70902070811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5973826.

The product of its (nonzero) digits is 7056, while the sum is 35.

The spelling of 70902070811 in words is "seventy billion, nine hundred two million, seventy thousand, eight hundred eleven".

Divisors: 1 11 13 83 143 913 1079 11869 5973719 65710909 77658347 495818677 854241817 5454005447 6445642801 70902070811