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131960308992 = 283171823319
BaseRepresentation
bin111101011100101110…
…0101000010100000000
3110121121112121021000120
41322321130220110000
54130223314341432
6140342143220240
712351046055631
oct1727134502400
9417545537016
10131960308992
1150a67177306
12216a92a7680
13c5a0062b95
14655b991888
153674ed5c2c
hex1eb9728500

131960308992 has 36 divisors (see below), whose sum is σ = 351206866080. Its totient is φ = 43986769408.

The previous prime is 131960308973. The next prime is 131960309011. The reversal of 131960308992 is 299803069131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131960308973) and next prime (131960309011).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85910892 + ... + 85912427.

It is an arithmetic number, because the mean of its divisors is an integer number (9755746280).

Almost surely, 2131960308992 is an apocalyptic number.

131960308992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131960308992 is an abundant number, since it is smaller than the sum of its proper divisors (219246557088).

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

131960308992 is an equidigital number, since it uses as much as digits as its factorization.

131960308992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171823338 (or 171823324 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 131960308992 in words is "one hundred thirty-one billion, nine hundred sixty million, three hundred eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 171823319 343646638 515469957 687293276 1030939914 1374586552 2061879828 2749173104 4123759656 5498346208 8247519312 10996692416 16495038624 21993384832 32990077248 43986769664 65980154496 131960308992