Base | Representation |
---|---|
bin | 10010101001100010… |
… | …01011010010010100 |
3 | 221211202112222200201 |
4 | 21110301023102110 |
5 | 131001100041040 |
6 | 4333254150244 |
7 | 503052355651 |
oct | 112461132224 |
9 | 27752488621 |
10 | 10012112020 |
11 | 4278637a49 |
12 | 1b35052384 |
13 | c3736b451 |
14 | 6ad9d6c28 |
15 | 3d8ea1a9a |
hex | 254c4b494 |
10012112020 has 24 divisors (see below), whose sum is σ = 21472786944. Its totient is φ = 3919634976.
The previous prime is 10012112017. The next prime is 10012112023. The reversal of 10012112020 is 2021121001.
It is an interprime number because it is at equal distance from previous prime (10012112017) and next prime (10012112023).
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 10012111988 and 10012112006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10012112023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5324652 + ... + 5326531.
It is an arithmetic number, because the mean of its divisors is an integer number (894699456).
Almost surely, 210012112020 is an apocalyptic number.
10012112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10012112020 is an abundant number, since it is smaller than the sum of its proper divisors (11460674924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10012112020 is a wasteful number, since it uses less digits than its factorization.
10012112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10651239 (or 10651237 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 10012112020 its reverse (2021121001), we get a palindrome (12033233021).
The spelling of 10012112020 in words is "ten billion, twelve million, one hundred twelve thousand, twenty".
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