Base | Representation |
---|---|
bin | 1011110000101001110100… |
… | …1111011000111100011001 |
3 | 1200210010212001110021022100 |
4 | 2330022131033120330121 |
5 | 3143323120320240301 |
6 | 43300103535514013 |
7 | 2503124405166141 |
oct | 274123517307431 |
9 | 50703761407270 |
10 | 12930489618201 |
11 | 4135876324071 |
12 | 154a022988909 |
13 | 72a455acc59c |
14 | 329ba6461921 |
15 | 17654203d286 |
hex | bc29d3d8f19 |
12930489618201 has 27 divisors (see below), whose sum is σ = 18750787791957. Its totient is φ = 8586575304120.
The previous prime is 12930489618161. The next prime is 12930489618203. The reversal of 12930489618201 is 10281698403921.
It is a happy number.
The square root of 12930489618201 is 3595899.
It is a perfect power (a square), and thus also a powerful number.
12930489618201 is a `hidden beast` number, since 1 + 29 + 3 + 0 + 489 + 61 + 82 + 0 + 1 = 666.
It is a de Polignac number, because none of the positive numbers 2k-12930489618201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12930489618203) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2923463676 + ... + 2923468098.
Almost surely, 212930489618201 is an apocalyptic number.
12930489618201 is the 3595899-th square number.
12930489618201 is the 1797950-th centered octagonal number.
It is an amenable number.
12930489618201 is a deficient number, since it is larger than the sum of its proper divisors (5820298173756).
12930489618201 is an frugal number, since it uses more digits than its factorization.
12930489618201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9394 (or 4697 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 54.
The spelling of 12930489618201 in words is "twelve trillion, nine hundred thirty billion, four hundred eighty-nine million, six hundred eighteen thousand, two hundred one".
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