Base | Representation |
---|---|
bin | 111001010101100011… |
… | …1110000110100011010 |
3 | 102202211010212021010102 |
4 | 1302223013300310122 |
5 | 4004132241220234 |
6 | 132322023415402 |
7 | 11616163633313 |
oct | 1625307606432 |
9 | 382733767112 |
10 | 123130023194 |
11 | 48245762952 |
12 | 1ba43bb4562 |
13 | b7c37c4ab9 |
14 | 5d60d1760a |
15 | 3309b7ec7e |
hex | 1cab1f0d1a |
123130023194 has 16 divisors (see below), whose sum is σ = 185362266240. Its totient is φ = 61342884720.
The previous prime is 123130023193. The next prime is 123130023217. The reversal of 123130023194 is 491320031321.
123130023194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1231300231942 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (123130023193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808004 + ... + 948224.
It is an arithmetic number, because the mean of its divisors is an integer number (11585141640).
Almost surely, 2123130023194 is an apocalyptic number.
123130023194 is a deficient number, since it is larger than the sum of its proper divisors (62232243046).
123130023194 is a wasteful number, since it uses less digits than its factorization.
123130023194 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 141805.
The product of its (nonzero) digits is 3888, while the sum is 29.
The spelling of 123130023194 in words is "one hundred twenty-three billion, one hundred thirty million, twenty-three thousand, one hundred ninety-four".
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