Base | Representation |
---|---|
bin | 11101001100010110… |
… | …110111010111111110 |
3 | 2222220112201022211012 |
4 | 131030112313113332 |
5 | 1003144013132340 |
6 | 22222225555222 |
7 | 2156531121410 |
oct | 351426672776 |
9 | 88815638735 |
10 | 31345833470 |
11 | 123259a66a6 |
12 | 60a97a5b12 |
13 | 2c57159b73 |
14 | 173509a9b0 |
15 | c36d6e565 |
hex | 74c5b75fe |
31345833470 has 16 divisors (see below), whose sum is σ = 64482857568. Its totient is φ = 10747142880.
The previous prime is 31345833457. The next prime is 31345833481. The reversal of 31345833470 is 7433854313.
It is a super-2 number, since 2×313458334702 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a zygodrome in base 6.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223898741 + ... + 223898880.
It is an arithmetic number, because the mean of its divisors is an integer number (4030178598).
Almost surely, 231345833470 is an apocalyptic number.
31345833470 is an abundant number, since it is smaller than the sum of its proper divisors (33137024098).
31345833470 is a wasteful number, since it uses less digits than its factorization.
31345833470 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 447797635.
The product of its (nonzero) digits is 362880, while the sum is 41.
The spelling of 31345833470 in words is "thirty-one billion, three hundred forty-five million, eight hundred thirty-three thousand, four hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •