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70131306453 = 3136827263401
BaseRepresentation
bin100000101010000100…
…1101100111111010101
320201000120102111110120
41001110021230333111
52122112103301303
652115021142153
75031630161205
oct1012411547725
9221016374416
1070131306453
11278193265aa
12117129ba959
1367c86cc990
143574236405
151c56deb553
hex105426cfd5

70131306453 has 16 divisors (see below), whose sum is σ = 100716495936. Its totient is φ = 43151241600.

The previous prime is 70131306433. The next prime is 70131306461. The reversal of 70131306453 is 35460313107.

It is not a de Polignac number, because 70131306453 - 210 = 70131305429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70131306403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134553 + ... + 397953.

It is an arithmetic number, because the mean of its divisors is an integer number (6294780996).

Almost surely, 270131306453 is an apocalyptic number.

It is an amenable number.

70131306453 is a deficient number, since it is larger than the sum of its proper divisors (30585189483).

70131306453 is a wasteful number, since it uses less digits than its factorization.

70131306453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270244.

The product of its (nonzero) digits is 22680, while the sum is 33.

The spelling of 70131306453 in words is "seventy billion, one hundred thirty-one million, three hundred six thousand, four hundred fifty-three".

Divisors: 1 3 13 39 6827 20481 88751 263401 266253 790203 3424213 10272639 1798238627 5394715881 23377102151 70131306453