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70331570401 = 163216272
BaseRepresentation
bin100000110000000010…
…1101001100011100001
320201112112020221221211
41001200011221203201
52123014340223101
652150533350121
75036611325131
oct1014005514341
9221475227854
1070331570401
11279113798a4
1211769a98341
13682b04a161
143592a86ac1
151c697a8c51
hex10601698e1

70331570401 has 9 divisors (see below), whose sum is σ = 70809220881. Its totient is φ = 69857125812.

The previous prime is 70331570371. The next prime is 70331570459. The reversal of 70331570401 is 10407513307.

The square root of 70331570401 is 265201.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 70331570401 - 217 = 70331439329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70331570201) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 43226950 + ... + 43228576.

It is an arithmetic number, because the mean of its divisors is an integer number (7867691209).

Almost surely, 270331570401 is an apocalyptic number.

70331570401 is the 265201-st square number.

70331570401 is the 132601-st centered octagonal number.

It is an amenable number.

70331570401 is a deficient number, since it is larger than the sum of its proper divisors (477650480).

70331570401 is an frugal number, since it uses more digits than its factorization.

70331570401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 70331570401 in words is "seventy billion, three hundred thirty-one million, five hundred seventy thousand, four hundred one".

Divisors: 1 163 1627 26569 265201 2647129 43227763 431482027 70331570401