Base | Representation |
---|---|
bin | 10001001001001100… |
… | …111111010101001011 |
3 | 1202111212220212000021 |
4 | 101021030333111023 |
5 | 300144422323313 |
6 | 12242335321311 |
7 | 1221111340540 |
oct | 211114772513 |
9 | 52455825007 |
10 | 18408011083 |
11 | 789692a200 |
12 | 3698980237 |
13 | 1974918367 |
14 | c68ab8bc7 |
15 | 72b10078d |
hex | 44933f54b |
18408011083 has 48 divisors (see below), whose sum is σ = 23728595968. Its totient is φ = 13970880000.
The previous prime is 18408011071. The next prime is 18408011093. The reversal of 18408011083 is 38011080481.
It is not a de Polignac number, because 18408011083 - 221 = 18405913931 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18408011003) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24510958 + ... + 24511708.
Almost surely, 218408011083 is an apocalyptic number.
18408011083 is a deficient number, since it is larger than the sum of its proper divisors (5320584885).
18408011083 is a wasteful number, since it uses less digits than its factorization.
18408011083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1496 (or 1485 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 34.
The spelling of 18408011083 in words is "eighteen billion, four hundred eight million, eleven thousand, eighty-three".
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