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131110100940 = 2235713417173113
BaseRepresentation
bin111101000011011000…
…1010101111111001100
3110112102021210012211110
41322012301111333030
54122003141212230
6140121532252020
712321013320150
oct1720661257714
9415367705743
10131110100940
1150670263425
12214b0611010
13c495b80cb0
1464baab7060
1536255424b0
hex1e86c55fcc

131110100940 has 768 divisors, whose sum is σ = 480004890624. Its totient is φ = 26011238400.

The previous prime is 131110100939. The next prime is 131110100941. The reversal of 131110100940 is 49001011131.

It is an interprime number because it is at equal distance from previous prime (131110100939) and next prime (131110100941).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (131110100941) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1160266324 + ... + 1160266436.

It is an arithmetic number, because the mean of its divisors is an integer number (625006368).

Almost surely, 2131110100940 is an apocalyptic number.

131110100940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131110100940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240002445312).

131110100940 is an abundant number, since it is smaller than the sum of its proper divisors (348894789684).

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

131110100940 is a wasteful number, since it uses less digits than its factorization.

131110100940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The spelling of 131110100940 in words is "one hundred thirty-one billion, one hundred ten million, one hundred thousand, nine hundred forty".