Base | Representation |
---|---|
bin | 1100001111010… |
… | …11111000111111 |
3 | 21011012120211211 |
4 | 12013223320333 |
5 | 202241144304 |
6 | 14104425251 |
7 | 2354515000 |
oct | 607537077 |
9 | 234176754 |
10 | 102678079 |
11 | 52a60619 |
12 | 2a478227 |
13 | 1837077a |
14 | d8cb1a7 |
15 | 9033204 |
hex | 61ebe3f |
102678079 has 16 divisors (see below), whose sum is σ = 126792000. Its totient is φ = 82828032.
The previous prime is 102678073. The next prime is 102678091. The reversal of 102678079 is 970876201.
It is not a de Polignac number, because 102678079 - 211 = 102676031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102678073) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974 + ... + 14635.
It is an arithmetic number, because the mean of its divisors is an integer number (7924500).
Almost surely, 2102678079 is an apocalyptic number.
102678079 is a deficient number, since it is larger than the sum of its proper divisors (24113921).
102678079 is an equidigital number, since it uses as much as digits as its factorization.
102678079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17647 (or 17633 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 40.
The square root of 102678079 is about 10133.0192440358. The cubic root of 102678079 is about 468.2659490555.
The spelling of 102678079 in words is "one hundred two million, six hundred seventy-eight thousand, seventy-nine".
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