Base | Representation |
---|---|
bin | 111001010010000101… |
… | …1001110011100111101 |
3 | 102202112000120210022110 |
4 | 1302210023032130331 |
5 | 4003412423143433 |
6 | 132302302004233 |
7 | 11613250262655 |
oct | 1624413163475 |
9 | 382460523273 |
10 | 123013490493 |
11 | 481959aa133 |
12 | 1ba10b76679 |
13 | b7a561313a |
14 | 5d4d661365 |
15 | 32ee811963 |
hex | 1ca42ce73d |
123013490493 has 16 divisors (see below), whose sum is σ = 164472459200. Its totient is φ = 81781933824.
The previous prime is 123013490459. The next prime is 123013490531. The reversal of 123013490493 is 394094310321.
It is not a de Polignac number, because 123013490493 - 29 = 123013489981 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123013440493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2957958 + ... + 2999256.
It is an arithmetic number, because the mean of its divisors is an integer number (10279528700).
Almost surely, 2123013490493 is an apocalyptic number.
It is an amenable number.
123013490493 is a deficient number, since it is larger than the sum of its proper divisors (41458968707).
123013490493 is a wasteful number, since it uses less digits than its factorization.
123013490493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44028.
The product of its (nonzero) digits is 69984, while the sum is 39.
The spelling of 123013490493 in words is "one hundred twenty-three billion, thirteen million, four hundred ninety thousand, four hundred ninety-three".
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