Base | Representation |
---|---|
bin | 111001011010101011… |
… | …1110101110111001000 |
3 | 102210021010111010002200 |
4 | 1302311113311313020 |
5 | 4010010303312222 |
6 | 132351050000200 |
7 | 11623352536425 |
oct | 1626527656710 |
9 | 383233433080 |
10 | 123302010312 |
11 | 48323852368 |
12 | 1ba91716060 |
13 | b820321720 |
14 | 5d79ac6d4c |
15 | 3319d03eac |
hex | 1cb55f5dc8 |
123302010312 has 48 divisors (see below), whose sum is σ = 359630866140. Its totient is φ = 37939079808.
The previous prime is 123302010301. The next prime is 123302010347. The reversal of 123302010312 is 213010203321.
123302010312 is a `hidden beast` number, since 1 + 2 + 330 + 20 + 1 + 0 + 312 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 108144953316 + 15157056996 = 328854^2 + 123114^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65865523 + ... + 65867394.
Almost surely, 2123302010312 is an apocalyptic number.
123302010312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
123302010312 is an abundant number, since it is smaller than the sum of its proper divisors (236328855828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123302010312 is a wasteful number, since it uses less digits than its factorization.
123302010312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131732942 (or 131732935 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 123302010312 its reverse (213010203321), we get a palindrome (336312213633).
The spelling of 123302010312 in words is "one hundred twenty-three billion, three hundred two million, ten thousand, three hundred twelve".
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