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70087072320 = 263251719591277
BaseRepresentation
bin100000101000110000…
…0111101101001000000
320200220111012011122100
41001101200331221000
52122014242303240
652110401110400
75030552166546
oct1012140755100
9220814164570
1070087072320
11277a6363871
1211700028400
1367bc4b2b35
14356c3ddd96
151c530aee30
hex105183da40

70087072320 has 672 divisors, whose sum is σ = 273453148800. Its totient is φ = 16369385472.

The previous prime is 70087072277. The next prime is 70087072373. The reversal of 70087072320 is 2327078007.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54883522 + ... + 54884798.

Almost surely, 270087072320 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 70087072320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136726574400).

70087072320 is an abundant number, since it is smaller than the sum of its proper divisors (203366076480).

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

70087072320 is a wasteful number, since it uses less digits than its factorization.

70087072320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 70087072320 in words is "seventy billion, eighty-seven million, seventy-two thousand, three hundred twenty".