Base | Representation |
---|---|
bin | 100101001101001101… |
… | …0101100100110100111 |
3 | 21122020101010200101011 |
4 | 1022122122230212213 |
5 | 2302113411213111 |
6 | 100412224243051 |
7 | 5525666436652 |
oct | 1123232544647 |
9 | 248211120334 |
10 | 79900101031 |
11 | 30981584553 |
12 | 1359a470487 |
13 | 76c45282ba |
14 | 3c1d7b2899 |
15 | 2129839021 |
hex | 129a6ac9a7 |
79900101031 has 8 divisors (see below), whose sum is σ = 84634305840. Its totient is φ = 75169696128.
The previous prime is 79900101023. The next prime is 79900101091. The reversal of 79900101031 is 13010100997.
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 79900101031 - 23 = 79900101023 is a prime.
It is a super-2 number, since 2×799001010312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 79900100984 and 79900101002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79900101011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906621 + ... + 990838.
It is an arithmetic number, because the mean of its divisors is an integer number (10579288230).
Almost surely, 279900101031 is an apocalyptic number.
79900101031 is a deficient number, since it is larger than the sum of its proper divisors (4734204809).
79900101031 is a wasteful number, since it uses less digits than its factorization.
79900101031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1899953.
The product of its (nonzero) digits is 1701, while the sum is 31.
The spelling of 79900101031 in words is "seventy-nine billion, nine hundred million, one hundred one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •