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131046425468 = 22783463121789
BaseRepresentation
bin111101000001011111…
…0011100001101111100
3110112020211222011111122
41322002332130031330
54121340341103333
6140111335410112
712316311144320
oct1720276341574
9415224864448
10131046425468
1150638322072
1221493223938
13c4859180ba
1464b245d980
15361eb65798
hex1e82f9c37c

131046425468 has 48 divisors (see below), whose sum is σ = 265825674240. Its totient is φ = 55365799104.

The previous prime is 131046425467. The next prime is 131046425507. The reversal of 131046425468 is 864524640131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131046425467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015118 + ... + 1136906.

It is an arithmetic number, because the mean of its divisors is an integer number (5538034880).

Almost surely, 2131046425468 is an apocalyptic number.

It is an amenable number.

131046425468 is an abundant number, since it is smaller than the sum of its proper divisors (134779248772).

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

131046425468 is a wasteful number, since it uses less digits than its factorization.

131046425468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122346 (or 122344 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 131046425468 in words is "one hundred thirty-one billion, forty-six million, four hundred twenty-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 7 14 28 83 166 332 463 581 926 1162 1852 2324 3241 6482 12964 38429 76858 121789 153716 243578 269003 487156 538006 852523 1076012 1705046 3410092 10108487 20216974 40433948 56388307 70759409 112776614 141518818 225553228 283037636 394718149 789436298 1578872596 4680229481 9360458962 18720917924 32761606367 65523212734 131046425468