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131197649324 = 22710789434297
BaseRepresentation
bin111101000101111111…
…1010100000110101100
3110112122101112010122012
41322023333110012230
54122143044234244
6140134340540352
712323125422230
oct1721377240654
9415571463565
10131197649324
115070571a865
12215159b16b8
13c4ab055081
1464c85865c0
15362d08789e
hex1e8bfd41ac

131197649324 has 24 divisors (see below), whose sum is σ = 262420223520. Its totient is φ = 56222222976.

The previous prime is 131197649321. The next prime is 131197649353. The reversal of 131197649324 is 423946791131.

It is not an unprimeable number, because it can be changed into a prime (131197649321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84944 + ... + 519240.

It is an arithmetic number, because the mean of its divisors is an integer number (10934175980).

Almost surely, 2131197649324 is an apocalyptic number.

131197649324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

131197649324 is an abundant number, since it is smaller than the sum of its proper divisors (131222574196).

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

131197649324 is a wasteful number, since it uses less digits than its factorization.

131197649324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445097 (or 445095 counting only the distinct ones).

The product of its digits is 979776, while the sum is 50.

The spelling of 131197649324 in words is "one hundred thirty-one billion, one hundred ninety-seven million, six hundred forty-nine thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 10789 21578 43156 75523 151046 302092 434297 868594 1737188 3040079 6080158 12160316 4685630333 9371260666 18742521332 32799412331 65598824662 131197649324