Base | Representation |
---|---|
bin | 101101011010101011010… |
… | …111001000000001011000 |
3 | 102001100220100001101112122 |
4 | 231122223113020001120 |
5 | 402113322413114000 |
6 | 10345435524200412 |
7 | 441325546452032 |
oct | 55325327100130 |
9 | 12040810041478 |
10 | 3121021223000 |
11 | aa368812a84a |
12 | 424a5b839108 |
13 | 198407475425 |
14 | ab0b5b12c52 |
15 | 562b91be085 |
hex | 2d6ab5c8058 |
3121021223000 has 64 divisors (see below), whose sum is σ = 7310140924320. Its totient is φ = 1247220240000.
The previous prime is 3121021222993. The next prime is 3121021223051. The reversal of 3121021223000 is 3221201213.
It is a self number, because there is not a number n which added to its sum of digits gives 3121021223000.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 433787 + ... + 2535786.
Almost surely, 23121021223000 is an apocalyptic number.
It is an amenable number.
3121021223000 is an abundant number, since it is smaller than the sum of its proper divisors (4189119701320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3121021223000 is a wasteful number, since it uses less digits than its factorization.
3121021223000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2970645 (or 2970631 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 3121021223000 its reverse (3221201213), we get a palindrome (3124242424213).
The spelling of 3121021223000 in words is "three trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-three thousand".
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