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140256175457 = 1812813118867
BaseRepresentation
bin1000001010011111101…
…0110110010101100001
3111102000200201221102002
42002213322312111201
54244221040103312
6144233252333345
713063451551346
oct2024772662541
9442020657362
10140256175457
1154533a555a2
1223223614255
13102c29874c8
146b076747cd
1539ad4754c2
hex20a7eb6561

140256175457 has 16 divisors (see below), whose sum is σ = 142004064384. Its totient is φ = 138522384000.

The previous prime is 140256175393. The next prime is 140256175459. The reversal of 140256175457 is 754571652041.

140256175457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140256175457 - 26 = 140256175393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140256175459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15813338 + ... + 15822204.

It is an arithmetic number, because the mean of its divisors is an integer number (8875254024).

Almost surely, 2140256175457 is an apocalyptic number.

It is an amenable number.

140256175457 is a deficient number, since it is larger than the sum of its proper divisors (1747888927).

140256175457 is a wasteful number, since it uses less digits than its factorization.

140256175457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 140256175457 in words is "one hundred forty billion, two hundred fifty-six million, one hundred seventy-five thousand, four hundred fifty-seven".

Divisors: 1 181 281 311 8867 50861 56291 87391 1604927 2491627 2757637 15817771 450984487 499132297 774895997 140256175457