Base | Representation |
---|---|
bin | 1100100001001101010… |
… | …1001101101111100000 |
3 | 202120010210012211112022 |
4 | 3020103111031233200 |
5 | 12010432102140331 |
6 | 242445242121012 |
7 | 21352462505003 |
oct | 3102325155740 |
9 | 676123184468 |
10 | 215072693216 |
11 | 83236a23757 |
12 | 358234b0168 |
13 | 17386c3a864 |
14 | a5a3c2953a |
15 | 58db84767b |
hex | 321354dbe0 |
215072693216 has 24 divisors (see below), whose sum is σ = 430365751704. Its totient is φ = 105773454720.
The previous prime is 215072693191. The next prime is 215072693219. The reversal of 215072693216 is 612396270512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215072693219) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55088390 + ... + 55092293.
It is an arithmetic number, because the mean of its divisors is an integer number (17931906321).
Almost surely, 2215072693216 is an apocalyptic number.
It is an amenable number.
215072693216 is an abundant number, since it is smaller than the sum of its proper divisors (215293058488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215072693216 is a wasteful number, since it uses less digits than its factorization.
215072693216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110180754 (or 110180746 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 44.
The spelling of 215072693216 in words is "two hundred fifteen billion, seventy-two million, six hundred ninety-three thousand, two hundred sixteen".
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