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112220131020 = 22351870335517
BaseRepresentation
bin110100010000011010…
…1110100111011001100
3101201122210222022120220
41220200311310323030
53314311323143040
6123315254511340
711051630242434
oct1504065647314
9351583868526
10112220131020
114365737a438
12198ba365550
13a7754594ba
145607dc12c4
152dbbe8e2d0
hex1a20d74ecc

112220131020 has 24 divisors (see below), whose sum is σ = 314216367024. Its totient is φ = 29925368256.

The previous prime is 112220131007. The next prime is 112220131031. The reversal of 112220131020 is 20131022211.

It is a super-2 number, since 2×1122201310202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 935167699 + ... + 935167818.

It is an arithmetic number, because the mean of its divisors is an integer number (13092348626).

Almost surely, 2112220131020 is an apocalyptic number.

112220131020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220131020 is an abundant number, since it is smaller than the sum of its proper divisors (201996236004).

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

112220131020 is a wasteful number, since it uses less digits than its factorization.

112220131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870335529 (or 1870335527 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112220131020 its reverse (20131022211), we get a palindrome (132351153231).

The spelling of 112220131020 in words is "one hundred twelve billion, two hundred twenty million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1870335517 3740671034 5611006551 7481342068 9351677585 11222013102 18703355170 22444026204 28055032755 37406710340 56110065510 112220131020