Base | Representation |
---|---|
bin | 11111011001000100000… |
… | …010101101011010100100 |
3 | 21122020011000212122010221 |
4 | 133121010002231122210 |
5 | 240320434034043323 |
6 | 4331002211054124 |
7 | 311565542114251 |
oct | 37310402553244 |
9 | 7566130778127 |
10 | 2157215143588 |
11 | 76196278a11a |
12 | 2aa0baba1344 |
13 | 12856987685b |
14 | 765a45a2428 |
15 | 3b1aa22255d |
hex | 1f6440ad6a4 |
2157215143588 has 24 divisors (see below), whose sum is σ = 3781181154240. Its totient is φ = 1076877912480.
The previous prime is 2157215143561. The next prime is 2157215143597. The reversal of 2157215143588 is 8853415127512.
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 7 ways as a sum of consecutive naturals, for example, 56763273 + ... + 56801263.
It is an arithmetic number, because the mean of its divisors is an integer number (157549214760).
Almost surely, 22157215143588 is an apocalyptic number.
It is an amenable number.
2157215143588 is a deficient number, since it is larger than the sum of its proper divisors (1623966010652).
2157215143588 is a wasteful number, since it uses less digits than its factorization.
2157215143588 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60387 (or 60385 counting only the distinct ones).
The product of its digits is 2688000, while the sum is 52.
The spelling of 2157215143588 in words is "two trillion, one hundred fifty-seven billion, two hundred fifteen million, one hundred forty-three thousand, five hundred eighty-eight".
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