Base | Representation |
---|---|
bin | 10010111111110001011… |
… | …001001110010100110100 |
3 | 11121210112022110121200021 |
4 | 102333301121032110310 |
5 | 132342002300341040 |
6 | 2435412020254524 |
7 | 163212435343063 |
oct | 22776131162464 |
9 | 4553468417607 |
10 | 1305425012020 |
11 | 46369a428aa8 |
12 | 191000241444 |
13 | 9614101411c |
14 | 4727bc821da |
15 | 23e5533124a |
hex | 12ff164e534 |
1305425012020 has 24 divisors (see below), whose sum is σ = 2885676343200. Its totient is φ = 494687372832.
The previous prime is 1305425011973. The next prime is 1305425012063. The reversal of 1305425012020 is 202105245031.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717664110 + ... + 1717664869.
It is an arithmetic number, because the mean of its divisors is an integer number (120236514300).
Almost surely, 21305425012020 is an apocalyptic number.
1305425012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1305425012020 is an abundant number, since it is smaller than the sum of its proper divisors (1580251331180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1305425012020 is a wasteful number, since it uses less digits than its factorization.
1305425012020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3435329007 (or 3435329005 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The spelling of 1305425012020 in words is "one trillion, three hundred five billion, four hundred twenty-five million, twelve thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •