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70709384160 = 25375397509
BaseRepresentation
bin100000111011010011…
…0111001001111100000
320202111212011220000000
41001312212321033200
52124303100243120
652252231300000
75052146564022
oct1016646711740
9222455156000
1070709384160
1127a95670978
121185451a600
13688b3c11ac
1435cad14012
151c8ca38990
hex10769b93e0

70709384160 has 384 divisors, whose sum is σ = 251662723200. Its totient is φ = 18771388416.

The previous prime is 70709384111. The next prime is 70709384177. The reversal of 70709384160 is 6148390707.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138917986 + ... + 138918494.

It is an arithmetic number, because the mean of its divisors is an integer number (655371675).

Almost surely, 270709384160 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 70709384160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125831361600).

70709384160 is an abundant number, since it is smaller than the sum of its proper divisors (180953339040).

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

70709384160 is an equidigital number, since it uses as much as digits as its factorization.

70709384160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 70709384160 in words is "seventy billion, seven hundred nine million, three hundred eighty-four thousand, one hundred sixty".