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131208812022 = 2321868135337
BaseRepresentation
bin111101000110010100…
…1111001010111110110
3110112200011112020222110
41322030221321113312
54122203423441042
6140135420111450
712323322333441
oct1721451712766
9415604466873
10131208812022
1150710a54532
1221519695586
13c4b0462c12
1464c9c50658
15362e04009c
hex1e8ca795f6

131208812022 has 8 divisors (see below), whose sum is σ = 262417624056. Its totient is φ = 43736270672.

The previous prime is 131208811967. The next prime is 131208812023. The reversal of 131208812022 is 220218802131.

It is a sphenic number, since it is the product of 3 distinct primes.

131208812022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131208812023) 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, 10934067663 + ... + 10934067674.

It is an arithmetic number, because the mean of its divisors is an integer number (32802203007).

Almost surely, 2131208812022 is an apocalyptic number.

131208812022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131208812022 is a wasteful number, since it uses less digits than its factorization.

131208812022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868135342.

The product of its (nonzero) digits is 3072, while the sum is 30.

The spelling of 131208812022 in words is "one hundred thirty-one billion, two hundred eight million, eight hundred twelve thousand, twenty-two".

Divisors: 1 2 3 6 21868135337 43736270674 65604406011 131208812022