Base | Representation |
---|---|
bin | 10001011110110101… |
… | …000100011000001011 |
3 | 1210110011122102102011 |
4 | 101132311010120023 |
5 | 301420313322201 |
6 | 12342340120351 |
7 | 1233105333166 |
oct | 213665043013 |
9 | 53404572364 |
10 | 18770839051 |
11 | 7a62716228 |
12 | 377a3960b7 |
13 | 1a01b43373 |
14 | ca0d64add |
15 | 74cdc0151 |
hex | 45ed4460b |
18770839051 has 16 divisors (see below), whose sum is σ = 20749976064. Its totient is φ = 16889724544.
The previous prime is 18770838997. The next prime is 18770839079. The reversal of 18770839051 is 15093807781.
It is a cyclic number.
It is not a de Polignac number, because 18770839051 - 229 = 18233968139 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18770838986 and 18770839004.
It is not an unprimeable number, because it can be changed into a prime (18770839151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804516 + ... + 827518.
It is an arithmetic number, because the mean of its divisors is an integer number (1296873504).
Almost surely, 218770839051 is an apocalyptic number.
18770839051 is a deficient number, since it is larger than the sum of its proper divisors (1979137013).
18770839051 is a wasteful number, since it uses less digits than its factorization.
18770839051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25130.
The product of its (nonzero) digits is 423360, while the sum is 49.
The spelling of 18770839051 in words is "eighteen billion, seven hundred seventy million, eight hundred thirty-nine thousand, fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •