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140031013012481 is a prime number
BaseRepresentation
bin11111110101101110000010…
…110010011100010000000001
3200100210211112001200210212002
4133311232002302130100001
5121323232003312344411
61213453205335313345
741331623020403063
oct3765560262342001
9610724461623762
10140031013012481
1140688901276578
1213856b46b1b855
136019b3891a766
1426817740ad733
15112c7dc01733b
hex7f5b82c9c401

140031013012481 has 2 divisors, whose sum is σ = 140031013012482. Its totient is φ = 140031013012480.

The previous prime is 140031013012411. The next prime is 140031013012487. The reversal of 140031013012481 is 184210310130041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81081110295025 + 58949902717456 = 9004505^2 + 7677884^2 .

It is a cyclic number.

It is not a de Polignac number, because 140031013012481 - 222 = 140031008818177 is a prime.

It is a super-2 number, since 2×1400310130124812 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140031013012487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70015506506240 + 70015506506241.

It is an arithmetic number, because the mean of its divisors is an integer number (70015506506241).

Almost surely, 2140031013012481 is an apocalyptic number.

It is an amenable number.

140031013012481 is a deficient number, since it is larger than the sum of its proper divisors (1).

140031013012481 is an equidigital number, since it uses as much as digits as its factorization.

140031013012481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 140031013012481 in words is "one hundred forty trillion, thirty-one billion, thirteen million, twelve thousand, four hundred eighty-one".