Base | Representation |
---|---|
bin | 11111010101111011010… |
… | …011111110001110000100 |
3 | 21121220110022221222220110 |
4 | 133111323103332032010 |
5 | 240242034421322302 |
6 | 4325244105433020 |
7 | 311416230145140 |
oct | 37257323761604 |
9 | 7556408858813 |
10 | 2153847448452 |
11 | 7604948089a7 |
12 | 2a951b19b770 |
13 | 128150c51b3b |
14 | 76365204220 |
15 | 3b05e74bb6c |
hex | 1f57b4fe384 |
2153847448452 has 24 divisors (see below), whose sum is σ = 5743593196096. Its totient is φ = 615384985248.
The previous prime is 2153847448433. The next prime is 2153847448553. The reversal of 2153847448452 is 2548447483512.
It is a junction number, because it is equal to n+sod(n) for n = 2153847448392 and 2153847448401.
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, 12820520443 + ... + 12820520610.
Almost surely, 22153847448452 is an apocalyptic number.
It is an amenable number.
2153847448452 is an abundant number, since it is smaller than the sum of its proper divisors (3589745747644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2153847448452 is a wasteful number, since it uses less digits than its factorization.
2153847448452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25641041067 (or 25641041065 counting only the distinct ones).
The product of its digits is 34406400, while the sum is 57.
The spelling of 2153847448452 in words is "two trillion, one hundred fifty-three billion, eight hundred forty-seven million, four hundred forty-eight thousand, four hundred fifty-two".
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