Base | Representation |
---|---|
bin | 10000111010000011… |
… | …011111101111011001 |
3 | 1201212011200211222000 |
4 | 100322003133233121 |
5 | 244134342123103 |
6 | 12201220151213 |
7 | 1211604204435 |
oct | 207203375731 |
9 | 51764624860 |
10 | 18153864153 |
11 | 7776423917 |
12 | 3627838509 |
13 | 1934083269 |
14 | c4303d9c5 |
15 | 713b4caa3 |
hex | 43a0dfbd9 |
18153864153 has 16 divisors (see below), whose sum is σ = 26927404800. Its totient is φ = 12087820080.
The previous prime is 18153864139. The next prime is 18153864161. The reversal of 18153864153 is 35146835181.
18153864153 is a `hidden beast` number, since 1 + 8 + 1 + 538 + 64 + 1 + 53 = 666.
It is not a de Polignac number, because 18153864153 - 29 = 18153863641 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18153864099 and 18153864108.
It is not an unprimeable number, because it can be changed into a prime (18153814153) 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, 387313 + ... + 431646.
It is an arithmetic number, because the mean of its divisors is an integer number (1682962800).
Almost surely, 218153864153 is an apocalyptic number.
It is an amenable number.
18153864153 is a deficient number, since it is larger than the sum of its proper divisors (8773540647).
18153864153 is an equidigital number, since it uses as much as digits as its factorization.
18153864153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 819789 (or 819783 counting only the distinct ones).
The product of its digits is 345600, while the sum is 45.
The spelling of 18153864153 in words is "eighteen billion, one hundred fifty-three million, eight hundred sixty-four thousand, one hundred fifty-three".
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