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131290162970 = 2514153927649
BaseRepresentation
bin111101001000110000…
…0001110011100011010
3110112212211121022111112
41322101200032130122
54122340240203340
6140151443500322
712325330654301
oct1722140163432
9415784538445
10131290162970
115075296871a
12215409876a2
13c4c4277185
1464d6989438
15363625e065
hex1e9180e71a

131290162970 has 16 divisors (see below), whose sum is σ = 236339245800. Its totient is φ = 52512297984.

The previous prime is 131290162931. The next prime is 131290162999. The reversal of 131290162970 is 79261092131.

It can be written as a sum of positive squares in 4 ways, for example, as 101692745449 + 29597417521 = 318893^2 + 172039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322295 + ... + 605354.

Almost surely, 2131290162970 is an apocalyptic number.

131290162970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131290162970 is a deficient number, since it is larger than the sum of its proper divisors (105049082830).

131290162970 is a wasteful number, since it uses less digits than its factorization.

131290162970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941809.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 131290162970 in words is "one hundred thirty-one billion, two hundred ninety million, one hundred sixty-two thousand, nine hundred seventy".

Divisors: 1 2 5 10 14153 28306 70765 141530 927649 1855298 4638245 9276490 13129016297 26258032594 65645081485 131290162970