Base | Representation |
---|---|
bin | 1100100010110100000… |
… | …0010110001000000100 |
3 | 202121020210201112112000 |
4 | 3020231000112020010 |
5 | 12012322334231043 |
6 | 243000110225300 |
7 | 21366242634546 |
oct | 3105500261004 |
9 | 677223645460 |
10 | 215503430148 |
11 | 83438082796 |
12 | 359237b5230 |
13 | 17425251696 |
14 | a605111696 |
15 | 591457d2d3 |
hex | 322d016204 |
215503430148 has 48 divisors (see below), whose sum is σ = 559193328960. Its totient is φ = 71772668352.
The previous prime is 215503430123. The next prime is 215503430167. The reversal of 215503430148 is 841034305512.
215503430148 is a `hidden beast` number, since 2 + 1 + 5 + 503 + 4 + 3 + 0 + 148 = 666.
215503430148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732265 + ... + 983472.
It is an arithmetic number, because the mean of its divisors is an integer number (11649861020).
Almost surely, 2215503430148 is an apocalyptic number.
It is an amenable number.
215503430148 is an abundant number, since it is smaller than the sum of its proper divisors (343689898812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215503430148 is a wasteful number, since it uses less digits than its factorization.
215503430148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1716913 (or 1716905 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The spelling of 215503430148 in words is "two hundred fifteen billion, five hundred three million, four hundred thirty thousand, one hundred forty-eight".
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