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70061061697951 = 31272904330591
BaseRepresentation
bin11111110111000010111001…
…01100011111000110011111
3100012001202211211222102100011
433323201130230133012133
533140340023243313301
6405001335111344051
720520513264350032
oct1773413454370637
9305052754872304
1070061061697951
1120361802927605
127a36377982027
1330129643c3b1c
141342d8b327019
158176b0565a51
hex3fb85cb1f19f

70061061697951 has 6 divisors (see below), whose sum is σ = 72394000277856. Its totient is φ = 67801027448700.

The previous prime is 70061061697937. The next prime is 70061061697993. The reversal of 70061061697951 is 15979616016007.

It is not a de Polignac number, because 70061061697951 - 223 = 70061053309343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70061061667951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36452164335 + ... + 36452166256.

It is an arithmetic number, because the mean of its divisors is an integer number (12065666712976).

Almost surely, 270061061697951 is an apocalyptic number.

70061061697951 is a deficient number, since it is larger than the sum of its proper divisors (2332938579905).

70061061697951 is an equidigital number, since it uses as much as digits as its factorization.

70061061697951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72904330653 (or 72904330622 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 70061061697951 in words is "seventy trillion, sixty-one billion, sixty-one million, six hundred ninety-seven thousand, nine hundred fifty-one".

Divisors: 1 31 961 72904330591 2260034248321 70061061697951