Base | Representation |
---|---|
bin | 11101100011110101100… |
… | …100110111010101001110 |
3 | 21012012020220022211010200 |
4 | 131203311210313111032 |
5 | 231240143212123304 |
6 | 4153104205314330 |
7 | 266521420411035 |
oct | 35436544672516 |
9 | 7165226284120 |
10 | 2031344645454 |
11 | 713541105953 |
12 | 2898312659a6 |
13 | 11972a396567 |
14 | 7046371b71c |
15 | 37c8ebb4e39 |
hex | 1d8f593754e |
2031344645454 has 24 divisors (see below), whose sum is σ = 4401282325440. Its totient is φ = 677109405888.
The previous prime is 2031344645419. The next prime is 2031344645461. The reversal of 2031344645454 is 4545464431302.
2031344645454 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 3 + 44 + 64 + 545 + 4 = 666.
It is a super-2 number, since 2×20313446454542 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2272182 + ... + 3037350.
It is an arithmetic number, because the mean of its divisors is an integer number (183386763560).
Almost surely, 22031344645454 is an apocalyptic number.
2031344645454 is an abundant number, since it is smaller than the sum of its proper divisors (2369937679986).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031344645454 is a wasteful number, since it uses less digits than its factorization.
2031344645454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912664 (or 912661 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 45.
The spelling of 2031344645454 in words is "two trillion, thirty-one billion, three hundred forty-four million, six hundred forty-five thousand, four hundred fifty-four".
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