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112311012020 = 22579197360827
BaseRepresentation
bin110100010011001000…
…0100000101010110100
3101201220010222112212212
41220212100200222310
53320003104341040
6123332302432552
711054112564554
oct1504620405264
9351803875785
10112311012020
11436a37026a9
1219924892758
13a78b22943c
1456160bb164
152dc4e41d65
hex1a26420ab4

112311012020 has 48 divisors (see below), whose sum is σ = 240051651840. Its totient is φ = 44130463104.

The previous prime is 112311011999. The next prime is 112311012029. The reversal of 112311012020 is 20210113211.

It is a super-2 number, since 2×1123110120202 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112311011986 and 112311012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112311012029) 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, 130847 + ... + 491673.

It is an arithmetic number, because the mean of its divisors is an integer number (5001076080).

Almost surely, 2112311012020 is an apocalyptic number.

112311012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112311012020 is an abundant number, since it is smaller than the sum of its proper divisors (127740639820).

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

112311012020 is a wasteful number, since it uses less digits than its factorization.

112311012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361112 (or 361110 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 112311012020 its reverse (20210113211), we get a palindrome (132521125231).

The spelling of 112311012020 in words is "one hundred twelve billion, three hundred eleven million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 197 316 394 395 788 790 985 1580 1970 3940 15563 31126 62252 77815 155630 311260 360827 721654 1443308 1804135 3608270 7216540 28505333 57010666 71082919 114021332 142165838 142526665 284331676 285053330 355414595 570106660 710829190 1421658380 5615550601 11231101202 22462202404 28077753005 56155506010 112311012020