Base | Representation |
---|---|
bin | 1110101011100… |
… | …01111110001000 |
3 | 22120201200100010 |
4 | 13111301332020 |
5 | 223011301331 |
6 | 20115311520 |
7 | 3023521350 |
oct | 725617610 |
9 | 276650303 |
10 | 123150216 |
11 | 63573642 |
12 | 352ab5a0 |
13 | 1c68aa67 |
14 | 124d9b60 |
15 | ac28e46 |
hex | 7571f88 |
123150216 has 96 divisors (see below), whose sum is σ = 359536320. Its totient is φ = 34433280.
The previous prime is 123150161. The next prime is 123150233. The reversal of 123150216 is 612051321.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 123150192 and 123150201.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625030 + ... + 625226.
It is an arithmetic number, because the mean of its divisors is an integer number (3745170).
Almost surely, 2123150216 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123150216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179768160).
123150216 is an abundant number, since it is smaller than the sum of its proper divisors (236386104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123150216 is a wasteful number, since it uses less digits than its factorization.
123150216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335 (or 270 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 123150216 is about 11097.3067002764. The cubic root of 123150216 is about 497.5213542680.
The spelling of 123150216 in words is "one hundred twenty-three million, one hundred fifty thousand, two hundred sixteen".
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