Base | Representation |
---|---|
bin | 11100101110001111… |
… | …100100000110000111 |
3 | 2221121100000221221010 |
4 | 130232033210012013 |
5 | 1001130143244030 |
6 | 22100141053303 |
7 | 2141154541335 |
oct | 345617440607 |
9 | 87540027833 |
10 | 30840603015 |
11 | 12096797572 |
12 | 5b88557233 |
13 | 2ba6593131 |
14 | 16c7d42b55 |
15 | c078216b0 |
hex | 72e3e4187 |
30840603015 has 16 divisors (see below), whose sum is σ = 50181321600. Its totient is φ = 16169536032.
The previous prime is 30840602983. The next prime is 30840603019. The reversal of 30840603015 is 51030604803.
It is not a de Polignac number, because 30840603015 - 25 = 30840602983 is a prime.
It is a super-2 number, since 2×308406030152 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30840603019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17423185 + ... + 17424954.
It is an arithmetic number, because the mean of its divisors is an integer number (3136332600).
Almost surely, 230840603015 is an apocalyptic number.
30840603015 is a deficient number, since it is larger than the sum of its proper divisors (19340718585).
30840603015 is a wasteful number, since it uses less digits than its factorization.
30840603015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34848206.
The product of its (nonzero) digits is 8640, while the sum is 30.
The spelling of 30840603015 in words is "thirty billion, eight hundred forty million, six hundred three thousand, fifteen".
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