Base | Representation |
---|---|
bin | 10010110100000100… |
… | …101111101110010000 |
3 | 1221010211202202000210 |
4 | 102310010233232100 |
5 | 312332424341422 |
6 | 13140305444120 |
7 | 1313412525021 |
oct | 226404575620 |
9 | 57124682023 |
10 | 20201012112 |
11 | 8626a43436 |
12 | 3ab9340640 |
13 | 1b9c227808 |
14 | d98c8cc48 |
15 | 7d372510c |
hex | 4b412fb90 |
20201012112 has 40 divisors (see below), whose sum is σ = 53869369600. Its totient is φ = 6516455040.
The previous prime is 20201012101. The next prime is 20201012123. The reversal of 20201012112 is 21121010202.
It is an interprime number because it is at equal distance from previous prime (20201012101) and next prime (20201012123).
It is a Harshad number since it is a multiple of its sum of digits (12).
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, 6786487 + ... + 6789462.
It is an arithmetic number, because the mean of its divisors is an integer number (1346734240).
Almost surely, 220201012112 is an apocalyptic number.
It is an amenable number.
20201012112 is an abundant number, since it is smaller than the sum of its proper divisors (33668357488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201012112 is a wasteful number, since it uses less digits than its factorization.
20201012112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13575991 (or 13575985 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 20201012112 its reverse (21121010202), we get a palindrome (41322022314).
The spelling of 20201012112 in words is "twenty billion, two hundred one million, twelve thousand, one hundred twelve".
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