Base | Representation |
---|---|
bin | 10001100010010110… |
… | …110111010001100010 |
3 | 1210121022000122000122 |
4 | 101202112313101202 |
5 | 302030441424142 |
6 | 12352252520242 |
7 | 1234424420264 |
oct | 214226672142 |
9 | 53538018018 |
10 | 18830029922 |
11 | 7a93074200 |
12 | 3796180082 |
13 | 1a11198c52 |
14 | ca8b71b34 |
15 | 7531b31d2 |
hex | 4625b7462 |
18830029922 has 18 divisors (see below), whose sum is σ = 31049726337. Its totient is φ = 8558134200.
The previous prime is 18830029921. The next prime is 18830029949. The reversal of 18830029922 is 22992003881.
It can be written as a sum of positive squares in 2 ways, for example, as 18488112841 + 341917081 = 135971^2 + 18491^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=97031.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18830029921) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2130272 + ... + 2139092.
Almost surely, 218830029922 is an apocalyptic number.
18830029922 is a deficient number, since it is larger than the sum of its proper divisors (12219696415).
18830029922 is an frugal number, since it uses more digits than its factorization.
18830029922 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17666 (or 8834 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 44.
The spelling of 18830029922 in words is "eighteen billion, eight hundred thirty million, twenty-nine thousand, nine hundred twenty-two".
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