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113755355531 = 631180277901
BaseRepresentation
bin110100111110001011…
…0001111100110001011
3101212121210202210200222
41221330112033212023
53330432332334111
6124131500020255
711134651365566
oct1517426174613
9355553683628
10113755355531
1144274a29324
121a06853168b
13a95b53277c
145711c534dd
152e5bb457db
hex1a7c58f98b

113755355531 has 4 divisors (see below), whose sum is σ = 113935634064. Its totient is φ = 113575077000.

The previous prime is 113755355503. The next prime is 113755355533. The reversal of 113755355531 is 135553557311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135553557311 = 215036303937.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-113755355531 is a prime.

It is a super-2 number, since 2×1137553555312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113755355533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90138320 + ... + 90139581.

It is an arithmetic number, because the mean of its divisors is an integer number (28483908516).

Almost surely, 2113755355531 is an apocalyptic number.

113755355531 is a deficient number, since it is larger than the sum of its proper divisors (180278533).

113755355531 is an equidigital number, since it uses as much as digits as its factorization.

113755355531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180278532.

The product of its digits is 590625, while the sum is 44.

The spelling of 113755355531 in words is "one hundred thirteen billion, seven hundred fifty-five million, three hundred fifty-five thousand, five hundred thirty-one".

Divisors: 1 631 180277901 113755355531