Base | Representation |
---|---|
bin | 110001101011100010… |
… | …1000101001101110111 |
3 | 101012101020122002111202 |
4 | 1203113011011031313 |
5 | 3221444014224011 |
6 | 121002302323115 |
7 | 10464551023244 |
oct | 1432705051567 |
9 | 335336562452 |
10 | 106687648631 |
11 | 4127843a543 |
12 | 1881558949b |
13 | a0a31b1995 |
14 | 52413105cb |
15 | 2b9640523b |
hex | 18d7145377 |
106687648631 has 8 divisors (see below), whose sum is σ = 110891235504. Its totient is φ = 102553542720.
The previous prime is 106687648621. The next prime is 106687648633. The reversal of 106687648631 is 136846786601.
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 106687648631 - 210 = 106687647607 is a prime.
It is a super-2 number, since 2×1066876486312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (106687648633) 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, 17367110 + ... + 17373251.
It is an arithmetic number, because the mean of its divisors is an integer number (13861404438).
Almost surely, 2106687648631 is an apocalyptic number.
106687648631 is a deficient number, since it is larger than the sum of its proper divisors (4203586873).
106687648631 is an equidigital number, since it uses as much as digits as its factorization.
106687648631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34740481.
The product of its (nonzero) digits is 6967296, while the sum is 56.
The spelling of 106687648631 in words is "one hundred six billion, six hundred eighty-seven million, six hundred forty-eight thousand, six hundred thirty-one".
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