Base | Representation |
---|---|
bin | 10000110101011000… |
… | …010111111101100010 |
3 | 1201122201011001122211 |
4 | 100311120113331202 |
5 | 244004303414414 |
6 | 12145335352334 |
7 | 1206632541361 |
oct | 206530277542 |
9 | 51581131584 |
10 | 18075451234 |
11 | 7736137055 |
12 | 36055226aa |
13 | 1920a5a399 |
14 | c3686b7d8 |
15 | 70bd0e3c4 |
hex | 435617f62 |
18075451234 has 16 divisors (see below), whose sum is σ = 27296455680. Its totient is φ = 8976836880.
The previous prime is 18075451231. The next prime is 18075451249. The reversal of 18075451234 is 43215457081.
It is not an unprimeable number, because it can be changed into a prime (18075451231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127327 + ... + 228829.
It is an arithmetic number, because the mean of its divisors is an integer number (1706028480).
Almost surely, 218075451234 is an apocalyptic number.
18075451234 is a deficient number, since it is larger than the sum of its proper divisors (9221004446).
18075451234 is a wasteful number, since it uses less digits than its factorization.
18075451234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102105.
The product of its (nonzero) digits is 134400, while the sum is 40.
The spelling of 18075451234 in words is "eighteen billion, seventy-five million, four hundred fifty-one thousand, two hundred thirty-four".
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