Base | Representation |
---|---|
bin | 11101001001101111… |
… | …101010001010010110 |
3 | 2222210111020102101120 |
4 | 131021233222022112 |
5 | 1003101303020202 |
6 | 22214022304410 |
7 | 2155456423005 |
oct | 351157521226 |
9 | 88714212346 |
10 | 31302001302 |
11 | 12303188970 |
12 | 6096b88106 |
13 | 2c4b050c80 |
14 | 172d32ac3c |
15 | c330b20bc |
hex | 749bea296 |
31302001302 has 64 divisors (see below), whose sum is σ = 73573194240. Its totient is φ = 8752896000.
The previous prime is 31302001279. The next prime is 31302001303. The reversal of 31302001302 is 20310020313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31302001303) 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 31 ways as a sum of consecutive naturals, for example, 4774927 + ... + 4781477.
It is an arithmetic number, because the mean of its divisors is an integer number (1149581160).
Almost surely, 231302001302 is an apocalyptic number.
31302001302 is an abundant number, since it is smaller than the sum of its proper divisors (42271192938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31302001302 is a wasteful number, since it uses less digits than its factorization.
31302001302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12149.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 31302001302 its reverse (20310020313), we get a palindrome (51612021615).
The spelling of 31302001302 in words is "thirty-one billion, three hundred two million, one thousand, three hundred two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •