Base | Representation |
---|---|
bin | 1001100011100000011011… |
… | …10101000011000101010110 |
3 | 2202101122121111021200000122 |
4 | 10301300031311003011112 |
5 | 10223221430234201402 |
6 | 112404230105111542 |
7 | 4266003264262001 |
oct | 461601565030526 |
9 | 82348544250018 |
10 | 21011212022102 |
11 | 67708944750a5 |
12 | 24341444885b2 |
13 | b9546c3b0283 |
14 | 528d3b7a6538 |
15 | 26683aabcca2 |
hex | 131c0dd43156 |
21011212022102 has 16 divisors (see below), whose sum is σ = 31522551444720. Its totient is φ = 10503695067648.
The previous prime is 21011212022081. The next prime is 21011212022153. The reversal of 21011212022102 is 20122021211012.
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, 289585793 + ... + 289658339.
It is an arithmetic number, because the mean of its divisors is an integer number (1970159465295).
Almost surely, 221011212022102 is an apocalyptic number.
21011212022102 is a deficient number, since it is larger than the sum of its proper divisors (10511339422618).
21011212022102 is a wasteful number, since it uses less digits than its factorization.
21011212022102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96895.
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 21011212022102 its reverse (20122021211012), we get a palindrome (41133233233114).
The spelling of 21011212022102 in words is "twenty-one trillion, eleven billion, two hundred twelve million, twenty-two thousand, one hundred two".
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