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70614667872 = 25327315321319
BaseRepresentation
bin100000111000011110…
…1100101001001100000
320202021020221210200100
41001300331211021200
52124104323332442
652235005222400
75046616526160
oct1016075451140
9222236853610
1070614667872
1127a47159151
1211828861a00
1368748aa658
1435bc4da5a0
151c8457984c
hex1070f65260

70614667872 has 288 divisors, whose sum is σ = 241381969920. Its totient is φ = 19155502080.

The previous prime is 70614667861. The next prime is 70614667967. The reversal of 70614667872 is 27876641607.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3301629 + ... + 3322947.

It is an arithmetic number, because the mean of its divisors is an integer number (838131840).

Almost surely, 270614667872 is an apocalyptic number.

70614667872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70614667872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120690984960).

70614667872 is an abundant number, since it is smaller than the sum of its proper divisors (170767302048).

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

70614667872 is a wasteful number, since it uses less digits than its factorization.

70614667872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21426 (or 21415 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 70614667872 in words is "seventy billion, six hundred fourteen million, six hundred sixty-seven thousand, eight hundred seventy-two".