Base | Representation |
---|---|
bin | 1100100011100001000… |
… | …0010001100100000000 |
3 | 202121201221211202112101 |
4 | 3020320100101210000 |
5 | 12013214142431021 |
6 | 243030531240144 |
7 | 21404024032303 |
oct | 3107020214400 |
9 | 677657752471 |
10 | 215692155136 |
11 | 83524664657 |
12 | 35976a49054 |
13 | 1745538b983 |
14 | a6221dab3a |
15 | 5925e0ba91 |
hex | 3238411900 |
215692155136 has 36 divisors (see below), whose sum is σ = 444430223104. Its totient is φ = 104367168000.
The previous prime is 215692155121. The next prime is 215692155181. The reversal of 215692155136 is 631551296512.
It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13581540 + ... + 13597411.
Almost surely, 2215692155136 is an apocalyptic number.
It is an amenable number.
215692155136 is an abundant number, since it is smaller than the sum of its proper divisors (228738067968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215692155136 is an equidigital number, since it uses as much as digits as its factorization.
215692155136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27178998 (or 27178984 counting only the distinct ones).
The product of its digits is 486000, while the sum is 46.
The spelling of 215692155136 in words is "two hundred fifteen billion, six hundred ninety-two million, one hundred fifty-five thousand, one hundred thirty-six".
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