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131868964411 = 1011305633311
BaseRepresentation
bin111101011010000000…
…0001011011000111011
3110121101011201110210221
41322310000023120323
54130031423330121
6140325121320511
712345556463122
oct1726400133073
9417334643727
10131868964411
1150a1a657818
1221682796137
13c58715cc32
14654d7b4ab9
15366be90b41
hex1eb400b63b

131868964411 has 4 divisors (see below), whose sum is σ = 133174597824. Its totient is φ = 130563331000.

The previous prime is 131868964399. The next prime is 131868964421. The reversal of 131868964411 is 114469868131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114469868131 = 1011133365031.

It is a cyclic number.

It is not a de Polignac number, because 131868964411 - 25 = 131868964379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131868964421) 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, 652816555 + ... + 652816756.

It is an arithmetic number, because the mean of its divisors is an integer number (33293649456).

Almost surely, 2131868964411 is an apocalyptic number.

131868964411 is a deficient number, since it is larger than the sum of its proper divisors (1305633413).

131868964411 is a wasteful number, since it uses less digits than its factorization.

131868964411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305633412.

The product of its digits is 995328, while the sum is 52.

The spelling of 131868964411 in words is "one hundred thirty-one billion, eight hundred sixty-eight million, nine hundred sixty-four thousand, four hundred eleven".

Divisors: 1 101 1305633311 131868964411