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70112704872 = 23372538313553
BaseRepresentation
bin100000101001100001…
…0101111100101101000
320200222021102102220010
41001103002233211220
52122042323023442
652113114331520
75031313105200
oct1012302574550
9220867372803
1070112704872
11278098809a1
1211708729ba0
1367c48b8c22
143571993400
151c55474b9c
hex10530af968

70112704872 has 192 divisors, whose sum is σ = 210264828480. Its totient is φ = 19416004608.

The previous prime is 70112704843. The next prime is 70112704873. The reversal of 70112704872 is 27840721107.

It is a self number, because there is not a number n which added to its sum of digits gives 70112704872.

It is not an unprimeable number, because it can be changed into a prime (70112704873) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5166448 + ... + 5180000.

It is an arithmetic number, because the mean of its divisors is an integer number (1095129315).

Almost surely, 270112704872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70112704872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105132414240).

70112704872 is an abundant number, since it is smaller than the sum of its proper divisors (140152123608).

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

70112704872 is a wasteful number, since it uses less digits than its factorization.

70112704872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13712 (or 13701 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 70112704872 in words is "seventy billion, one hundred twelve million, seven hundred four thousand, eight hundred seventy-two".