| Base | Representation |
|---|---|
| bin | 10101001011011111000… |
| … | …000100001110010111010 |
| 3 | 12011010202010220002212220 |
| 4 | 111023133000201302322 |
| 5 | 142321220220404032 |
| 6 | 3032341534544510 |
| 7 | 210103112210631 |
| oct | 25133700416272 |
| 9 | 5133663802786 |
| 10 | 1455440403642 |
| 11 | 51128118a0a5 |
| 12 | 1b60a8068136 |
| 13 | a732a822244 |
| 14 | 5062d6bc518 |
| 15 | 27cd545112c |
| hex | 152df021cba |
1455440403642 has 16 divisors (see below), whose sum is σ = 2910908468640. Its totient is φ = 485142190992.
The previous prime is 1455440403619. The next prime is 1455440403649. The reversal of 1455440403642 is 2463040445541.
It is a junction number, because it is equal to n+sod(n) for n = 1455440403594 and 1455440403603.
It is not an unprimeable number, because it can be changed into a prime (1455440403649) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434092 + ... + 1760487.
It is an arithmetic number, because the mean of its divisors is an integer number (181931779290).
Almost surely, 21455440403642 is an apocalyptic number.
1455440403642 is an abundant number, since it is smaller than the sum of its proper divisors (1455468064998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1455440403642 is a wasteful number, since it uses less digits than its factorization.
1455440403642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2305117.
The product of its (nonzero) digits is 921600, while the sum is 42.
The spelling of 1455440403642 in words is "one trillion, four hundred fifty-five billion, four hundred forty million, four hundred three thousand, six hundred forty-two".
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