Base | Representation |
---|---|
bin | 10111010010111101100110… |
… | …000101100010101000100010 |
3 | 111102202220102011110122121101 |
4 | 113102331212011202220202 |
5 | 101412133301314342230 |
6 | 1001524343334345014 |
7 | 30403233441602551 |
oct | 2722754605425042 |
9 | 442686364418541 |
10 | 102458157574690 |
11 | 2a712295965a75 |
12 | b5a90b17bb16a |
13 | 45229bbb50028 |
14 | 1b43003759d98 |
15 | bca289caeaca |
hex | 5d2f66162a22 |
102458157574690 has 128 divisors (see below), whose sum is σ = 198911842601472. Its totient is φ = 37860569149440.
The previous prime is 102458157574679. The next prime is 102458157574697. The reversal of 102458157574690 is 96475751854201.
It is a happy number.
It is a super-2 number, since 2×1024581575746902 (a number of 29 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (102458157574697) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1384139880 + ... + 1384213900.
It is an arithmetic number, because the mean of its divisors is an integer number (1553998770324).
Almost surely, 2102458157574690 is an apocalyptic number.
102458157574690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102458157574690 is a deficient number, since it is larger than the sum of its proper divisors (96453685026782).
102458157574690 is a wasteful number, since it uses less digits than its factorization.
102458157574690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74764.
The product of its (nonzero) digits is 84672000, while the sum is 64.
The spelling of 102458157574690 in words is "one hundred two trillion, four hundred fifty-eight billion, one hundred fifty-seven million, five hundred seventy-four thousand, six hundred ninety".
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