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1112103112220 = 225291917419159
BaseRepresentation
bin10000001011101110100…
…000101100111000011100
310221022112101012120110022
4100023232200230320130
5121210041344042340
62210520525131312
7143226644325002
oct20135640547034
93838471176408
101112103112220
1139970523a381
1215b6490b9b38
1380b42403039
143bb7ca86a72
151dddd2dd3b5
hex102ee82ce1c

1112103112220 has 24 divisors (see below), whose sum is σ = 2415948141600. Its totient is φ = 429501891392.

The previous prime is 1112103112189. The next prime is 1112103112247. The reversal of 1112103112220 is 222113012111.

It is a happy number.

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, 958709000 + ... + 958710159.

It is an arithmetic number, because the mean of its divisors is an integer number (100664505900).

Almost surely, 21112103112220 is an apocalyptic number.

1112103112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112103112220 is an abundant number, since it is smaller than the sum of its proper divisors (1303845029380).

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

1112103112220 is a wasteful number, since it uses less digits than its factorization.

1112103112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917419197 (or 1917419195 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1112103112220 its reverse (222113012111), we get a palindrome (1334216124331).

The spelling of 1112103112220 in words is "one trillion, one hundred twelve billion, one hundred three million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1917419159 3834838318 7669676636 9587095795 19174191590 38348383180 55605155611 111210311222 222420622444 278025778055 556051556110 1112103112220