Base | Representation |
---|---|
bin | 1100100001000101101… |
… | …1011010110110000000 |
3 | 202120001120010201200100 |
4 | 3020101123122312000 |
5 | 12010400413442222 |
6 | 242442141522400 |
7 | 21351624226512 |
oct | 3102133326600 |
9 | 676046121610 |
10 | 215040765312 |
11 | 8321a9a685a |
12 | 35814873400 |
13 | 1738043c1c9 |
14 | a59d8b7bb2 |
15 | 58d8b3c4ac |
hex | 32116dad80 |
215040765312 has 96 divisors (see below), whose sum is σ = 635526712080. Its totient is φ = 69742937088.
The previous prime is 215040765301. The next prime is 215040765341. The reversal of 215040765312 is 213567040512.
215040765312 is a `hidden beast` number, since 2 + 1 + 50 + 4 + 0 + 76 + 531 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 2479908 + ... + 2565155.
Almost surely, 2215040765312 is an apocalyptic number.
It is an amenable number.
215040765312 is an abundant number, since it is smaller than the sum of its proper divisors (420485946768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215040765312 is a wasteful number, since it uses less digits than its factorization.
215040765312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5045120 (or 5045105 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 36.
The spelling of 215040765312 in words is "two hundred fifteen billion, forty million, seven hundred sixty-five thousand, three hundred twelve".
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