Base | Representation |
---|---|
bin | 1110101011100… |
… | …10001010110110 |
3 | 22120201201110021 |
4 | 13111302022312 |
5 | 223011313110 |
6 | 20115315354 |
7 | 3023523622 |
oct | 725621266 |
9 | 276651407 |
10 | 123151030 |
11 | 63574212 |
12 | 352abb5a |
13 | 1c68b242 |
14 | 124da182 |
15 | ac292da |
hex | 75722b6 |
123151030 has 8 divisors (see below), whose sum is σ = 221671872. Its totient is φ = 49260408.
The previous prime is 123151019. The next prime is 123151069. The reversal of 123151030 is 30151321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 123150995 and 123151013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6157542 + ... + 6157561.
It is an arithmetic number, because the mean of its divisors is an integer number (27708984).
Almost surely, 2123151030 is an apocalyptic number.
123151030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123151030 is a deficient number, since it is larger than the sum of its proper divisors (98520842).
123151030 is a wasteful number, since it uses less digits than its factorization.
123151030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12315110.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 123151030 is about 11097.3433757814. The cubic root of 123151030 is about 497.5224504401.
The spelling of 123151030 in words is "one hundred twenty-three million, one hundred fifty-one thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •