Base | Representation |
---|---|
bin | 111001101001101011… |
… | …0001011101100101100 |
3 | 102211120011202011000110 |
4 | 1303103112023230230 |
5 | 4012023023020243 |
6 | 132513012300020 |
7 | 11642000134563 |
oct | 1632326135454 |
9 | 384504664013 |
10 | 123804891948 |
11 | 485616a7821 |
12 | 1bbb2011610 |
13 | b8a057531a |
14 | 5dc67ccbda |
15 | 334903ae33 |
hex | 1cd358bb2c |
123804891948 has 18 divisors (see below), whose sum is σ = 288880925284. Its totient is φ = 41267891024.
The previous prime is 123804891923. The next prime is 123804891961. The reversal of 123804891948 is 849198408321.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1168090 + ... + 1269662.
Almost surely, 2123804891948 is an apocalyptic number.
It is an amenable number.
123804891948 is an abundant number, since it is smaller than the sum of its proper divisors (165076033336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123804891948 is an frugal number, since it uses more digits than its factorization.
123804891948 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203153 (or 101578 counting only the distinct ones).
The product of its (nonzero) digits is 3981312, while the sum is 57.
The spelling of 123804891948 in words is "one hundred twenty-three billion, eight hundred four million, eight hundred ninety-one thousand, nine hundred forty-eight".
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