Base | Representation |
---|---|
bin | 11100111000011110… |
… | …100011000010011010 |
3 | 2222001022010020000220 |
4 | 130320132203002122 |
5 | 1002003122144002 |
6 | 22125153140510 |
7 | 2145341140362 |
oct | 347036430232 |
9 | 88038106026 |
10 | 31012303002 |
11 | 1217470028a |
12 | 6015b5a736 |
13 | 2c0301c165 |
14 | 1702a799a2 |
15 | c1793a7bc |
hex | 7387a309a |
31012303002 has 16 divisors (see below), whose sum is σ = 62026339680. Its totient is φ = 10337145392.
The previous prime is 31012302973. The next prime is 31012303019. The reversal of 31012303002 is 20030321013.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351649 + ... + 430907.
It is an arithmetic number, because the mean of its divisors is an integer number (3876646230).
Almost surely, 231012303002 is an apocalyptic number.
31012303002 is an abundant number, since it is smaller than the sum of its proper divisors (31014036678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31012303002 is a wasteful number, since it uses less digits than its factorization.
31012303002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144477.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 31012303002 its reverse (20030321013), we get a palindrome (51042624015).
The spelling of 31012303002 in words is "thirty-one billion, twelve million, three hundred three thousand, two".
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