Base | Representation |
---|---|
bin | 11101000110100010… |
… | …000010001110011001 |
3 | 2222122201210212020102 |
4 | 131012202002032121 |
5 | 1002444003120301 |
6 | 22204415105145 |
7 | 2154233311055 |
oct | 350642021631 |
9 | 88581725212 |
10 | 31248098201 |
11 | 12285811751 |
12 | 6080b121b5 |
13 | 2c3cb2a148 |
14 | 17260d8c65 |
15 | c2d4b5b6b |
hex | 746882399 |
31248098201 has 4 divisors (see below), whose sum is σ = 31248867600. Its totient is φ = 31247328804.
The previous prime is 31248098179. The next prime is 31248098221. The reversal of 31248098201 is 10289084213.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31248098201 - 26 = 31248098137 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31248098221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320171 + ... + 406208.
It is an arithmetic number, because the mean of its divisors is an integer number (7812216900).
Almost surely, 231248098201 is an apocalyptic number.
It is an amenable number.
31248098201 is a deficient number, since it is larger than the sum of its proper divisors (769399).
31248098201 is an equidigital number, since it uses as much as digits as its factorization.
31248098201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769398.
The product of its (nonzero) digits is 27648, while the sum is 38.
The spelling of 31248098201 in words is "thirty-one billion, two hundred forty-eight million, ninety-eight thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •