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131488113688 = 2342829383759
BaseRepresentation
bin111101001110101001…
…1010110010000011000
3110120101122002020211121
41322131103112100120
54123241424114223
6140223234335024
712333253345141
oct1723523262030
9416348066747
10131488113688
1150844680a58
122159712a474
13c526294789
146514d96ac8
15364881115d
hex1e9d4d6418

131488113688 has 16 divisors (see below), whose sum is σ = 246546612000. Its totient is φ = 65742350496.

The previous prime is 131488113629. The next prime is 131488113689. The reversal of 131488113688 is 886311884131.

It is a super-2 number, since 2×1314881136882 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131488113689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150753 + ... + 534511.

It is an arithmetic number, because the mean of its divisors is an integer number (15409163250).

Almost surely, 2131488113688 is an apocalyptic number.

It is an amenable number.

131488113688 is a deficient number, since it is larger than the sum of its proper divisors (115058498312).

131488113688 is a wasteful number, since it uses less digits than its factorization.

131488113688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426594 (or 426590 counting only the distinct ones).

The product of its digits is 884736, while the sum is 52.

The spelling of 131488113688 in words is "one hundred thirty-one billion, four hundred eighty-eight million, one hundred thirteen thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 42829 85658 171316 342632 383759 767518 1535036 3070072 16436014211 32872028422 65744056844 131488113688