Base | Representation |
---|---|
bin | 10010101110000111… |
… | …101000011000110010 |
3 | 1220212212202221111212 |
4 | 102232013220120302 |
5 | 312131340331302 |
6 | 13122340240122 |
7 | 1311060401153 |
oct | 225607503062 |
9 | 56785687455 |
10 | 20101105202 |
11 | 8585605942 |
12 | 3a8b9a0042 |
13 | 1b846174b9 |
14 | d898c392a |
15 | 7c9a8d052 |
hex | 4ae1e8632 |
20101105202 has 8 divisors (see below), whose sum is σ = 30351338112. Its totient is φ = 9983992500.
The previous prime is 20101105187. The next prime is 20101105217. The reversal of 20101105202 is 20250110102.
It is an interprime number because it is at equal distance from previous prime (20101105187) and next prime (20101105217).
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33279674 + ... + 33280277.
It is an arithmetic number, because the mean of its divisors is an integer number (3793917264).
Almost surely, 220101105202 is an apocalyptic number.
20101105202 is a deficient number, since it is larger than the sum of its proper divisors (10250232910).
20101105202 is a wasteful number, since it uses less digits than its factorization.
20101105202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66560104.
The product of its (nonzero) digits is 40, while the sum is 14.
Adding to 20101105202 its reverse (20250110102), we get a palindrome (40351215304).
The spelling of 20101105202 in words is "twenty billion, one hundred one million, one hundred five thousand, two hundred two".
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