Base | Representation |
---|---|
bin | 1001100011110001001100… |
… | …01101011011011101110010 |
3 | 2202102111211122110011121212 |
4 | 10301320212031123131302 |
5 | 10223343343004014302 |
6 | 112412315052320122 |
7 | 4266442265321450 |
oct | 461704615333562 |
9 | 82374748404555 |
10 | 21020211001202 |
11 | 6774692129306 |
12 | 2435a36173042 |
13 | b9627489398a |
14 | 5295529d39d0 |
15 | 266bb5b47052 |
hex | 131e2635b772 |
21020211001202 has 32 divisors (see below), whose sum is σ = 36417781004544. Its totient is φ = 8913007656000.
The previous prime is 21020211001187. The next prime is 21020211001213. The reversal of 21020211001202 is 20210011202012.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429518 + ... + 7334985.
It is an arithmetic number, because the mean of its divisors is an integer number (1138055656392).
Almost surely, 221020211001202 is an apocalyptic number.
21020211001202 is a deficient number, since it is larger than the sum of its proper divisors (15397570003342).
21020211001202 is a wasteful number, since it uses less digits than its factorization.
21020211001202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10765994.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 21020211001202 its reverse (20210011202012), we get a palindrome (41230222203214).
The spelling of 21020211001202 in words is "twenty-one trillion, twenty billion, two hundred eleven million, one thousand, two hundred two".
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