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70011700721010 = 23451723416780473
BaseRepresentation
bin11111110101100110111101…
…00011010011010101110010
3100011220001102210120222120000
433322303132203103111302
533134032430341033020
6404522533054330430
720514115132102206
oct1772633643232562
9304801383528500
1070011700721010
1120342882945a94
127a288a0ab9a16
13300b0c8b63969
14134082781ab06
15816271d4b090
hex3facde8d3572

70011700721010 has 640 divisors, whose sum is σ = 216249650394624. Its totient is φ = 16152700354560.

The previous prime is 70011700720991. The next prime is 70011700721087. The reversal of 70011700721010 is 1012700711007.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 869962134 + ... + 870042606.

Almost surely, 270011700721010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70011700721010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108124825197312).

70011700721010 is an abundant number, since it is smaller than the sum of its proper divisors (146237949673614).

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

70011700721010 is a wasteful number, since it uses less digits than its factorization.

70011700721010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80640 (or 80631 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 27.

The spelling of 70011700721010 in words is "seventy trillion, eleven billion, seven hundred million, seven hundred twenty-one thousand, ten".