Base | Representation |
---|---|
bin | 1110101101010… |
… | …00010001111000 |
3 | 22121010222110221 |
4 | 13112220101320 |
5 | 223040411124 |
6 | 20124145424 |
7 | 3025436032 |
oct | 726502170 |
9 | 277128427 |
10 | 123372664 |
11 | 63705788 |
12 | 35398274 |
13 | 1c73809c |
14 | 12556c52 |
15 | ac6ece4 |
hex | 75a8478 |
123372664 has 8 divisors (see below), whose sum is σ = 231323760. Its totient is φ = 61686328.
The previous prime is 123372607. The next prime is 123372671. The reversal of 123372664 is 466273321.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7710784 + ... + 7710799.
It is an arithmetic number, because the mean of its divisors is an integer number (28915470).
Almost surely, 2123372664 is an apocalyptic number.
It is an amenable number.
123372664 is a deficient number, since it is larger than the sum of its proper divisors (107951096).
123372664 is a wasteful number, since it uses less digits than its factorization.
123372664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15421589 (or 15421585 counting only the distinct ones).
The product of its digits is 36288, while the sum is 34.
The square root of 123372664 is about 11107.3247904255. The cubic root of 123372664 is about 497.8207340663.
The spelling of 123372664 in words is "one hundred twenty-three million, three hundred seventy-two thousand, six hundred sixty-four".
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