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70105456116 = 22321947373781
BaseRepresentation
bin100000101001010011…
…1000101110111110100
320200221202210011110200
41001102213011313310
52122033444043431
652112255120500
75031164354613
oct1012247056764
9220852704420
1070105456116
112780577a893
1211706213130
1367c324b717
143570a2787a
151c549e1ee6
hex10529c5df4

70105456116 has 18 divisors (see below), whose sum is σ = 177211014162. Its totient is φ = 23368485360.

The previous prime is 70105456079. The next prime is 70105456139. The reversal of 70105456116 is 61165450107.

It is a happy number.

70105456116 is a `hidden beast` number, since 70 + 10 + 5 + 4 + 561 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 62273206116 + 7832250000 = 249546^2 + 88500^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1947373781 = 70105456116 / (7 + 0 + 1 + 0 + 5 + 4 + 5 + 6 + 1 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 973686855 + ... + 973686926.

Almost surely, 270105456116 is an apocalyptic number.

It is an amenable number.

70105456116 is an abundant number, since it is smaller than the sum of its proper divisors (107105558046).

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

70105456116 is a wasteful number, since it uses less digits than its factorization.

70105456116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947373791 (or 1947373786 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 70105456116 in words is "seventy billion, one hundred five million, four hundred fifty-six thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 1947373781 3894747562 5842121343 7789495124 11684242686 17526364029 23368485372 35052728058 70105456116