Base | Representation |
---|---|
bin | 10010101010100111… |
… | …00101001100000010 |
3 | 221212101112012102101 |
4 | 21111103211030002 |
5 | 131010402143020 |
6 | 4334215341014 |
7 | 503222131252 |
oct | 112523451402 |
9 | 27771465371 |
10 | 10021131010 |
11 | 4282738060 |
12 | 1b3808176a |
13 | c391a8627 |
14 | 6b0ca3962 |
15 | 3d9b8400a |
hex | 2554e5302 |
10021131010 has 32 divisors (see below), whose sum is σ = 19861785792. Its totient is φ = 3609986880.
The previous prime is 10021130971. The next prime is 10021131017. The reversal of 10021131010 is 1013112001.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (10021131017) 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, 413937 + ... + 437476.
It is an arithmetic number, because the mean of its divisors is an integer number (620680806).
Almost surely, 210021131010 is an apocalyptic number.
10021131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10021131010 is a deficient number, since it is larger than the sum of its proper divisors (9840654782).
10021131010 is a wasteful number, since it uses less digits than its factorization.
10021131010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 851538.
The product of its (nonzero) digits is 6, while the sum is 10.
Adding to 10021131010 its reverse (1013112001), we get a palindrome (11034243011).
The spelling of 10021131010 in words is "ten billion, twenty-one million, one hundred thirty-one thousand, ten".
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