Base | Representation |
---|---|
bin | 1001000110101100001111… |
… | …10000001001001001100010 |
3 | 2121220000000021200022121120 |
4 | 10203112013300021021202 |
5 | 10111011223222024302 |
6 | 110325324155233110 |
7 | 4134323010013050 |
oct | 443260760111142 |
9 | 77800007608546 |
10 | 20021120111202 |
11 | 6419a003981a1 |
12 | 22b4288748796 |
13 | b22ca2a61262 |
14 | 4d30551d91d0 |
15 | 24abde10b9bc |
hex | 123587c09262 |
20021120111202 has 32 divisors (see below), whose sum is σ = 45772842092544. Its totient is φ = 5719034802000.
The previous prime is 20021120111191. The next prime is 20021120111227. The reversal of 20021120111202 is 20211102112002.
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, 53362074 + ... + 53735957.
It is an arithmetic number, because the mean of its divisors is an integer number (1430401315392).
Almost surely, 220021120111202 is an apocalyptic number.
20021120111202 is an abundant number, since it is smaller than the sum of its proper divisors (25751721981342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20021120111202 is a wasteful number, since it uses less digits than its factorization.
20021120111202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107102494.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 20021120111202 its reverse (20211102112002), we get a palindrome (40232222223204).
The spelling of 20021120111202 in words is "twenty trillion, twenty-one billion, one hundred twenty million, one hundred eleven thousand, two hundred two".
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