Base | Representation |
---|---|
bin | 1100100100000110101… |
… | …0111100100101011111 |
3 | 202122010222010022211110 |
4 | 3021001222330211133 |
5 | 12014030114021142 |
6 | 243054333353103 |
7 | 21410652635451 |
oct | 3110152744537 |
9 | 678128108743 |
10 | 215850142047 |
11 | 835a5861551 |
12 | 359bb938793 |
13 | 1747c026057 |
14 | a6391a42d1 |
15 | 5934c1799c |
hex | 3241abc95f |
215850142047 has 8 divisors (see below), whose sum is σ = 288021409200. Its totient is φ = 143789484800.
The previous prime is 215850142021. The next prime is 215850142103. The reversal of 215850142047 is 740241058512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 215850142047 - 27 = 215850141919 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 215850141996 and 215850142014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215850140047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27647922 + ... + 27655727.
It is an arithmetic number, because the mean of its divisors is an integer number (36002676150).
Almost surely, 2215850142047 is an apocalyptic number.
215850142047 is a deficient number, since it is larger than the sum of its proper divisors (72171267153).
215850142047 is a wasteful number, since it uses less digits than its factorization.
215850142047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55304953.
The product of its (nonzero) digits is 89600, while the sum is 39.
The spelling of 215850142047 in words is "two hundred fifteen billion, eight hundred fifty million, one hundred forty-two thousand, forty-seven".
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