Base | Representation |
---|---|
bin | 101111110100010110… |
… | …1100101101100011101 |
3 | 100211001112112221110202 |
4 | 1133220231211230131 |
5 | 3140301224402142 |
6 | 115101403113245 |
7 | 10263500646143 |
oct | 1375055455435 |
9 | 324045487422 |
10 | 102688512797 |
11 | 3a605a96602 |
12 | 17a9a212825 |
13 | 98b6803710 |
14 | 4d82143593 |
15 | 2a102a1032 |
hex | 17e8b65b1d |
102688512797 has 8 divisors (see below), whose sum is σ = 111008118144. Its totient is φ = 94428977328.
The previous prime is 102688512791. The next prime is 102688512803. The reversal of 102688512797 is 797215886201.
It is an interprime number because it is at equal distance from previous prime (102688512791) and next prime (102688512803).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102688512797 - 212 = 102688508701 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 (102688512791) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15013913 + ... + 15020750.
It is an arithmetic number, because the mean of its divisors is an integer number (13876014768).
Almost surely, 2102688512797 is an apocalyptic number.
It is an amenable number.
102688512797 is a deficient number, since it is larger than the sum of its proper divisors (8319605347).
102688512797 is a wasteful number, since it uses less digits than its factorization.
102688512797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30034939.
The product of its (nonzero) digits is 3386880, while the sum is 56.
The spelling of 102688512797 in words is "one hundred two billion, six hundred eighty-eight million, five hundred twelve thousand, seven hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •