Base | Representation |
---|---|
bin | 10010101111100011… |
… | …010111111110000001 |
3 | 1220221120000210220120 |
4 | 102233203113332001 |
5 | 312204014431301 |
6 | 13124555530453 |
7 | 1311501665604 |
oct | 225743277601 |
9 | 56846023816 |
10 | 20125155201 |
11 | 8598141a78 |
12 | 3a97a59a29 |
13 | 1b895b8178 |
14 | d8cb8433b |
15 | 7cbc3de36 |
hex | 4af8d7f81 |
20125155201 has 8 divisors (see below), whose sum is σ = 27758834880. Its totient is φ = 12954122832.
The previous prime is 20125155179. The next prime is 20125155251. The reversal of 20125155201 is 10255152102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20125155201 - 230 = 19051413377 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20125155251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115661725 + ... + 115661898.
It is an arithmetic number, because the mean of its divisors is an integer number (3469854360).
Almost surely, 220125155201 is an apocalyptic number.
It is an amenable number.
20125155201 is a deficient number, since it is larger than the sum of its proper divisors (7633679679).
20125155201 is a wasteful number, since it uses less digits than its factorization.
20125155201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231323655.
The product of its (nonzero) digits is 1000, while the sum is 24.
The spelling of 20125155201 in words is "twenty billion, one hundred twenty-five million, one hundred fifty-five thousand, two hundred one".
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