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1112991913540 = 2251339671079087
BaseRepresentation
bin10000001100100011011…
…111001101011001000100
310221101211022122100122201
4100030203133031121010
5121213401412213130
62211145035204244
7143260656112333
oct20144337153104
93841738570581
101112991913540
1139a020a12a21
1215b8568a6684
1380c545a8390
143bc24b29d1a
151de41356bca
hex103237cd644

1112991913540 has 48 divisors (see below), whose sum is σ = 2517710856192. Its totient is φ = 410846887296.

The previous prime is 1112991913519. The next prime is 1112991913547. The reversal of 1112991913540 is 453191992111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1112991913547) 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, 491877 + ... + 1570963.

It is an arithmetic number, because the mean of its divisors is an integer number (52452309504).

Almost surely, 21112991913540 is an apocalyptic number.

1112991913540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112991913540 is an abundant number, since it is smaller than the sum of its proper divisors (1404718942652).

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

1112991913540 is a wasteful number, since it uses less digits than its factorization.

1112991913540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083076 (or 1083074 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 46.

The spelling of 1112991913540 in words is "one trillion, one hundred twelve billion, nine hundred ninety-one million, nine hundred thirteen thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 3967 7934 15868 19835 39670 51571 79340 103142 206284 257855 515710 1031420 1079087 2158174 4316348 5395435 10790870 14028131 21581740 28056262 56112524 70140655 140281310 280562620 4280738129 8561476258 17122952516 21403690645 42807381290 55649595677 85614762580 111299191354 222598382708 278247978385 556495956770 1112991913540