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131120132021120 = 2751124339376361
BaseRepresentation
bin11101110100000011001000…
…111001000101101110000000
3122012020221222110000200200102
4131310003020321011232000
5114141233012244133440
61142511431310341532
736422055050612234
oct3564031071055600
9565227873020612
10131120132021120
113886281025a700
1212857b62aba8a8
1358217631b0798
1424543692b65c4
151025b07692b15
hex7740c8e45b80

131120132021120 has 192 divisors, whose sum is σ = 352558619748720. Its totient is φ = 46571208499200.

The previous prime is 131120132021111. The next prime is 131120132021149. The reversal of 131120132021120 is 21120231021131.

It is a super-2 number, since 2×1311201320211202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 131120132021092 and 131120132021101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16358261 + ... + 23018100.

Almost surely, 2131120132021120 is an apocalyptic number.

131120132021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120132021120 is an abundant number, since it is smaller than the sum of its proper divisors (221438487727600).

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

131120132021120 is a wasteful number, since it uses less digits than its factorization.

131120132021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39376445 (or 39376422 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131120132021120 its reverse (21120231021131), we get a palindrome (152240363042251).

The spelling of 131120132021120 in words is "one hundred thirty-one trillion, one hundred twenty billion, one hundred thirty-two million, twenty-one thousand, one hundred twenty".