Base | Representation |
---|---|
bin | 111001011010101100… |
… | …0010011010110010100 |
3 | 102210021010201020210000 |
4 | 1302311120103112110 |
5 | 4010010321143332 |
6 | 132351052331300 |
7 | 11623353551520 |
oct | 1626530232624 |
9 | 383233636700 |
10 | 123302131092 |
11 | 48323925088 |
12 | 1ba91773b30 |
13 | b8203646aa |
14 | 5d79b18d80 |
15 | 3319d29b7c |
hex | 1cb5613594 |
123302131092 has 120 divisors (see below), whose sum is σ = 368693652096. Its totient is φ = 35199582912.
The previous prime is 123302131081. The next prime is 123302131123. The reversal of 123302131092 is 290131203321.
123302131092 is a `hidden beast` number, since 12 + 330 + 2 + 1 + 310 + 9 + 2 = 666.
It is a super-2 number, since 2×1233021310922 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2751538 + ... + 2795990.
Almost surely, 2123302131092 is an apocalyptic number.
123302131092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123302131092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184346826048).
123302131092 is an abundant number, since it is smaller than the sum of its proper divisors (245391521004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123302131092 is a wasteful number, since it uses less digits than its factorization.
123302131092 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45699 (or 45688 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
The spelling of 123302131092 in words is "one hundred twenty-three billion, three hundred two million, one hundred thirty-one thousand, ninety-two".
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