Base | Representation |
---|---|
bin | 11011111110100011… |
… | …00001000001110011 |
3 | 1102202210011012221121 |
4 | 31333101201001303 |
5 | 221230132400201 |
6 | 10522235003111 |
7 | 1041133410463 |
oct | 157721410163 |
9 | 42683135847 |
10 | 15020200051 |
11 | 640856967a |
12 | 2ab2299497 |
13 | 1554a9c54c |
14 | a26ba1ba3 |
15 | 5cd9a49a1 |
hex | 37f461073 |
15020200051 has 4 divisors (see below), whose sum is σ = 15020556712. Its totient is φ = 15019843392.
The previous prime is 15020200049. The next prime is 15020200087. The reversal of 15020200051 is 15000202051.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15000202051 = 307 ⋅48860593.
It is a cyclic number.
It is not a de Polignac number, because 15020200051 - 21 = 15020200049 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 15020199998 and 15020200034.
It is not an unprimeable number, because it can be changed into a prime (15020200001) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105150 + ... + 202723.
It is an arithmetic number, because the mean of its divisors is an integer number (3755139178).
Almost surely, 215020200051 is an apocalyptic number.
15020200051 is a deficient number, since it is larger than the sum of its proper divisors (356661).
15020200051 is an equidigital number, since it uses as much as digits as its factorization.
15020200051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356660.
The product of its (nonzero) digits is 100, while the sum is 16.
It can be divided in two parts, 150202000 and 51, that added together give a palindrome (150202051).
The spelling of 15020200051 in words is "fifteen billion, twenty million, two hundred thousand, fifty-one".
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