Base | Representation |
---|---|
bin | 1100001110110… |
… | …11110001001101 |
3 | 21011002020021010 |
4 | 12013123301031 |
5 | 202232041140 |
6 | 14103155433 |
7 | 2354121324 |
oct | 607336115 |
9 | 234066233 |
10 | 102612045 |
11 | 52a15a48 |
12 | 2a445b79 |
13 | 183496b3 |
14 | d8b10bb |
15 | 901d880 |
hex | 61dbc4d |
102612045 has 16 divisors (see below), whose sum is σ = 167673600. Its totient is φ = 53561664.
The previous prime is 102612031. The next prime is 102612067. The reversal of 102612045 is 540216201.
It is not a de Polignac number, because 102612045 - 27 = 102611917 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72070 + ... + 73479.
It is an arithmetic number, because the mean of its divisors is an integer number (10479600).
Almost surely, 2102612045 is an apocalyptic number.
102612045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102612045 is a deficient number, since it is larger than the sum of its proper divisors (65061555).
102612045 is a wasteful number, since it uses less digits than its factorization.
102612045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145604.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 102612045 is about 10129.7603624173. The cubic root of 102612045 is about 468.1655442919.
Adding to 102612045 its reverse (540216201), we get a palindrome (642828246).
The spelling of 102612045 in words is "one hundred two million, six hundred twelve thousand, forty-five".
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