Base | Representation |
---|---|
bin | 101111101100100011… |
… | …0101000101111010111 |
3 | 100210101021210121012202 |
4 | 1133121012220233113 |
5 | 3134232210042130 |
6 | 115015410235115 |
7 | 10254141050435 |
oct | 1373106505727 |
9 | 323337717182 |
10 | 102426643415 |
11 | 3a491196228 |
12 | 17a26585a9b |
13 | 9874496615 |
14 | 4d59457d55 |
15 | 29e72c5145 |
hex | 17d91a8bd7 |
102426643415 has 16 divisors (see below), whose sum is σ = 126613277280. Its totient is φ = 79496110080.
The previous prime is 102426643391. The next prime is 102426643427. The reversal of 102426643415 is 514346624201.
It is not a de Polignac number, because 102426643415 - 212 = 102426639319 is a prime.
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, 1358954 + ... + 1432343.
It is an arithmetic number, because the mean of its divisors is an integer number (7913329830).
Almost surely, 2102426643415 is an apocalyptic number.
102426643415 is a deficient number, since it is larger than the sum of its proper divisors (24186633865).
102426643415 is a wasteful number, since it uses less digits than its factorization.
102426643415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2791522.
The product of its (nonzero) digits is 138240, while the sum is 38.
The spelling of 102426643415 in words is "one hundred two billion, four hundred twenty-six million, six hundred forty-three thousand, four hundred fifteen".
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