Base | Representation |
---|---|
bin | 10011000110000101011… |
… | …010011000100001100010 |
3 | 11122110000201000220010010 |
4 | 103012011122120201202 |
5 | 132444343021424302 |
6 | 2442452354545350 |
7 | 163542423053220 |
oct | 23060532304142 |
9 | 4573021026103 |
10 | 1312203311202 |
11 | 466558618553 |
12 | 192392298256 |
13 | 96981405444 |
14 | 477221abb10 |
15 | 2420045616c |
hex | 13185698862 |
1312203311202 has 32 divisors (see below), whose sum is σ = 3001322880000. Its totient is φ = 374665103568.
The previous prime is 1312203311147. The next prime is 1312203311233. The reversal of 1312203311202 is 2021133022131.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10358302 + ... + 10484217.
It is an arithmetic number, because the mean of its divisors is an integer number (93791340000).
Almost surely, 21312203311202 is an apocalyptic number.
1312203311202 is an abundant number, since it is smaller than the sum of its proper divisors (1689119568798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312203311202 is a wasteful number, since it uses less digits than its factorization.
1312203311202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20844030.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 1312203311202 its reverse (2021133022131), we get a palindrome (3333336333333).
The spelling of 1312203311202 in words is "one trillion, three hundred twelve billion, two hundred three million, three hundred eleven thousand, two hundred two".
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