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70774136670 = 23517138772817
BaseRepresentation
bin100000111101001110…
…1111001111101011110
320202200101000122202010
41001322131321331132
52124421134333140
652302503212050
75053564143606
oct1017235717536
9222611018663
1070774136670
1128019178446
1211872147026
13689b9433a3
1435d576bc06
151c93579880
hex107a779f5e

70774136670 has 32 divisors (see below), whose sum is σ = 179849572128. Its totient is φ = 17762920448.

The previous prime is 70774136651. The next prime is 70774136681. The reversal of 70774136670 is 7663147707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69385899 + ... + 69386918.

It is an arithmetic number, because the mean of its divisors is an integer number (5620299129).

Almost surely, 270774136670 is an apocalyptic number.

70774136670 is an abundant number, since it is smaller than the sum of its proper divisors (109075435458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70774136670 is a wasteful number, since it uses less digits than its factorization.

70774136670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138772844.

The product of its (nonzero) digits is 1037232, while the sum is 48.

The spelling of 70774136670 in words is "seventy billion, seven hundred seventy-four million, one hundred thirty-six thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 138772817 277545634 416318451 693864085 832636902 1387728170 2081592255 2359137889 4163184510 4718275778 7077413667 11795689445 14154827334 23591378890 35387068335 70774136670