Base | Representation |
---|---|
bin | 101101100100010110001… |
… | …111011110001000001100 |
3 | 102002100200221200000111020 |
4 | 231210112033132020030 |
5 | 402301104001004400 |
6 | 10354314113554140 |
7 | 442144055326530 |
oct | 55442617361014 |
9 | 12070627600436 |
10 | 3131404313100 |
11 | aa8026110048 |
12 | 426a78b75950 |
13 | 1993a063341b |
14 | ab7bcab7bc0 |
15 | 566c5a002a0 |
hex | 2d9163de20c |
3131404313100 has 288 divisors, whose sum is σ = 10604363277312. Its totient is φ = 698678400000.
The previous prime is 3131404313083. The next prime is 3131404313239. The reversal of 3131404313100 is 13134041313.
It is a super-2 number, since 2×31314043131002 (a number of 26 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14955130 + ... + 15163070.
It is an arithmetic number, because the mean of its divisors is an integer number (36820705824).
Almost surely, 23131404313100 is an apocalyptic number.
3131404313100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3131404313100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5302181638656).
3131404313100 is an abundant number, since it is smaller than the sum of its proper divisors (7472958964212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3131404313100 is a wasteful number, since it uses less digits than its factorization.
3131404313100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208137 (or 208130 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 3131404313100 its reverse (13134041313), we get a palindrome (3144538354413).
The spelling of 3131404313100 in words is "three trillion, one hundred thirty-one billion, four hundred four million, three hundred thirteen thousand, one hundred".
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