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131302233320320 = 2751871109652453
BaseRepresentation
bin11101110110101100101110…
…111110011010101110000000
3122012220101000101202011112101
4131312230232332122232000
5114202223433212222240
61143131225133240144
736441162513250126
oct3566545676325600
9565811011664471
10131302233320320
1138922a67737a97
1212887304333054
13583599427932a
14245d0c21b9916
15102a7145bd39a
hex776b2ef9ab80

131302233320320 has 64 divisors (see below), whose sum is σ = 314062172648640. Its totient is φ = 52492821821440.

The previous prime is 131302233320227. The next prime is 131302233320327. The reversal of 131302233320320 is 23023332203131.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131302233320327) 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, 53628787 + ... + 56023666.

It is an arithmetic number, because the mean of its divisors is an integer number (4907221447635).

Almost surely, 2131302233320320 is an apocalyptic number.

131302233320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131302233320320 is an abundant number, since it is smaller than the sum of its proper divisors (182759939328320).

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

131302233320320 is a wasteful number, since it uses less digits than its factorization.

131302233320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109654343 (or 109654331 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 131302233320320 its reverse (23023332203131), we get a palindrome (154325565523451).

The spelling of 131302233320320 in words is "one hundred thirty-one trillion, three hundred two billion, two hundred thirty-three million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 1871 3742 7484 9355 14968 18710 29936 37420 59872 74840 119744 149680 239488 299360 598720 1197440 109652453 219304906 438609812 548262265 877219624 1096524530 1754439248 2193049060 3508878496 4386098120 7017756992 8772196240 14035513984 17544392480 35088784960 70177569920 205159739563 410319479126 820638958252 1025798697815 1641277916504 2051597395630 3282555833008 4103194791260 6565111666016 8206389582520 13130223332032 16412779165040 26260446664064 32825558330080 65651116660160 131302233320320