Base | Representation |
---|---|
bin | 10000110011011000… |
… | …110100110010000010 |
3 | 1201120101020022120020 |
4 | 100303120310302002 |
5 | 243422223433400 |
6 | 12142142554310 |
7 | 1206045411246 |
oct | 206330646202 |
9 | 51511208506 |
10 | 18042014850 |
11 | 7719279882 |
12 | 35b6298996 |
13 | 1916b51242 |
14 | c32246426 |
15 | 708e072a0 |
hex | 433634c82 |
18042014850 has 48 divisors (see below), whose sum is σ = 44758876320. Its totient is φ = 4809625600.
The previous prime is 18042014831. The next prime is 18042014869. The reversal of 18042014850 is 5841024081.
It is an interprime number because it is at equal distance from previous prime (18042014831) and next prime (18042014869).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481285 + ... + 517415.
It is an arithmetic number, because the mean of its divisors is an integer number (932476590).
Almost surely, 218042014850 is an apocalyptic number.
18042014850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18042014850 is an abundant number, since it is smaller than the sum of its proper divisors (26716861470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18042014850 is a wasteful number, since it uses less digits than its factorization.
18042014850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39475 (or 39470 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 33.
The spelling of 18042014850 in words is "eighteen billion, forty-two million, fourteen thousand, eight hundred fifty".
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