Base | Representation |
---|---|
bin | 1101101100101000101111… |
… | …00101000010011010001101 |
3 | 10221122112120100212020002201 |
4 | 12312110113211002122031 |
5 | 12422000302303411023 |
6 | 144021221423321501 |
7 | 6226112330033326 |
oct | 666242745023215 |
9 | 127575510766081 |
10 | 30121001232013 |
11 | 9663276a4064a |
12 | 346579a450291 |
13 | 13a6523ba54a3 |
14 | 761c1568144d |
15 | 3737b2b05bad |
hex | 1b651794268d |
30121001232013 has 8 divisors (see below), whose sum is σ = 31179390285600. Its totient is φ = 29063927767728.
The previous prime is 30121001231987. The next prime is 30121001232017. The reversal of 30121001232013 is 31023210012103.
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 30121001232013 - 237 = 29983562278541 is a prime.
It is a super-4 number, since 4×301210012320134 (a number of 55 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30121001232017) 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, 328850731 + ... + 328942312.
It is an arithmetic number, because the mean of its divisors is an integer number (3897423785700).
Almost surely, 230121001232013 is an apocalyptic number.
It is an amenable number.
30121001232013 is a deficient number, since it is larger than the sum of its proper divisors (1058389053587).
30121001232013 is a wasteful number, since it uses less digits than its factorization.
30121001232013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 657794651.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 30121001232013 its reverse (31023210012103), we get a palindrome (61144211244116).
The spelling of 30121001232013 in words is "thirty trillion, one hundred twenty-one billion, one million, two hundred thirty-two thousand, thirteen".
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