Base | Representation |
---|---|
bin | 10001010010110111… |
… | …110100100101100110 |
3 | 1202221012011122022101 |
4 | 101102313310211212 |
5 | 301012434443324 |
6 | 12310412322314 |
7 | 1225121246350 |
oct | 212267644546 |
9 | 52835148271 |
10 | 18570234214 |
11 | 796a45a904 |
12 | 372317339a |
13 | 199c40698c |
14 | c824660d0 |
15 | 73a496944 |
hex | 452df4966 |
18570234214 has 16 divisors (see below), whose sum is σ = 32695085088. Its totient is φ = 7743572352.
The previous prime is 18570234149. The next prime is 18570234233. The reversal of 18570234214 is 41243207581.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17924419 + ... + 17925454.
It is an arithmetic number, because the mean of its divisors is an integer number (2043442818).
Almost surely, 218570234214 is an apocalyptic number.
18570234214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
18570234214 is a deficient number, since it is larger than the sum of its proper divisors (14124850874).
18570234214 is a wasteful number, since it uses less digits than its factorization.
18570234214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35849919.
The product of its (nonzero) digits is 53760, while the sum is 37.
The spelling of 18570234214 in words is "eighteen billion, five hundred seventy million, two hundred thirty-four thousand, two hundred fourteen".
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