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112749193990 = 2531511357809
BaseRepresentation
bin110100100000001100…
…0000010101100000110
3101210000200111111112201
41221000120002230012
53321402243201430
6123443554305114
711101013223166
oct1510030025406
9353020444481
10112749193990
11438a8a87264
1219a2758819a
13a82ac48c04
1456583805a6
152ded6488ca
hex1a40602b06

112749193990 has 16 divisors (see below), whose sum is σ = 202955556960. Its totient is φ = 45098120320.

The previous prime is 112749193967. The next prime is 112749194017. The reversal of 112749193990 is 99391947211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136206 + ... + 494014.

It is an arithmetic number, because the mean of its divisors is an integer number (12684722310).

Almost surely, 2112749193990 is an apocalyptic number.

112749193990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112749193990 is a deficient number, since it is larger than the sum of its proper divisors (90206362970).

112749193990 is a wasteful number, since it uses less digits than its factorization.

112749193990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389327.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 112749193990 in words is "one hundred twelve billion, seven hundred forty-nine million, one hundred ninety-three thousand, nine hundred ninety".

Divisors: 1 2 5 10 31511 63022 157555 315110 357809 715618 1789045 3578090 11274919399 22549838798 56374596995 112749193990