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70025720008 = 238753215001
BaseRepresentation
bin100000100110111011…
…0111011000011001000
320200202012202011002111
41001031312323003020
52121403041020013
652100330112104
75026205541046
oct1011566730310
9220665664074
1070025720008
1127774769982
12116a357b634
1367ac8814aa
1435641cd396
151c4c9e173d
hex104ddbb0c8

70025720008 has 8 divisors (see below), whose sum is σ = 131298225030. Its totient is φ = 35012860000.

The previous prime is 70025719993. The next prime is 70025720041. The reversal of 70025720008 is 80002752007.

It can be written as a sum of positive squares in only one way, i.e., 44883812164 + 25141907844 = 211858^2 + 158562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4376607493 + ... + 4376607508.

Almost surely, 270025720008 is an apocalyptic number.

It is an amenable number.

70025720008 is a deficient number, since it is larger than the sum of its proper divisors (61272505022).

70025720008 is a wasteful number, since it uses less digits than its factorization.

70025720008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753215007 (or 8753215003 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The spelling of 70025720008 in words is "seventy billion, twenty-five million, seven hundred twenty thousand, eight".

Divisors: 1 2 4 8 8753215001 17506430002 35012860004 70025720008