Base | Representation |
---|---|
bin | 11000100111010110… |
… | …01110011100000111 |
3 | 1021002222100120110120 |
4 | 30103223032130013 |
5 | 204031020002302 |
6 | 10023151153023 |
7 | 645323435514 |
oct | 142353163407 |
9 | 37088316416 |
10 | 13215000327 |
11 | 5671583381 |
12 | 2689815773 |
13 | 1327aab829 |
14 | 8d513430b |
15 | 5252709bc |
hex | 313ace707 |
13215000327 has 32 divisors (see below), whose sum is σ = 19491774720. Its totient is φ = 7931831040.
The previous prime is 13215000319. The next prime is 13215000329. The reversal of 13215000327 is 72300051231.
It is not a de Polignac number, because 13215000327 - 23 = 13215000319 is a prime.
It is a super-2 number, since 2×132150003272 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13215000297 and 13215000306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13215000329) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17827 + ... + 163547.
It is an arithmetic number, because the mean of its divisors is an integer number (609117960).
Almost surely, 213215000327 is an apocalyptic number.
13215000327 is a deficient number, since it is larger than the sum of its proper divisors (6276774393).
13215000327 is a wasteful number, since it uses less digits than its factorization.
13215000327 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145823.
The product of its (nonzero) digits is 1260, while the sum is 24.
Adding to 13215000327 its reverse (72300051231), we get a palindrome (85515051558).
The spelling of 13215000327 in words is "thirteen billion, two hundred fifteen million, three hundred twenty-seven", and thus it is an aban number.
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