Base | Representation |
---|---|
bin | 10001001001111111… |
… | …100001111101011010 |
3 | 1202112210211222021102 |
4 | 101021333201331122 |
5 | 300211320310442 |
6 | 12243531311402 |
7 | 1221332061506 |
oct | 211177417532 |
9 | 52483758242 |
10 | 18421260122 |
11 | 78a3359421 |
12 | 36a12ab562 |
13 | 19775a6a25 |
14 | c6a767306 |
15 | 72c36b232 |
hex | 449fe1f5a |
18421260122 has 8 divisors (see below), whose sum is σ = 27658488000. Its totient is φ = 9201764124.
The previous prime is 18421260097. The next prime is 18421260167. The reversal of 18421260122 is 22106212481.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430372 + ... + 4434527.
It is an arithmetic number, because the mean of its divisors is an integer number (3457311000).
Almost surely, 218421260122 is an apocalyptic number.
18421260122 is a deficient number, since it is larger than the sum of its proper divisors (9237227878).
18421260122 is a wasteful number, since it uses less digits than its factorization.
18421260122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8865940.
The product of its (nonzero) digits is 3072, while the sum is 29.
The spelling of 18421260122 in words is "eighteen billion, four hundred twenty-one million, two hundred sixty thousand, one hundred twenty-two".
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