Base | Representation |
---|---|
bin | 11100000010110001… |
… | …000111100011100000 |
3 | 2212201111112112011100 |
4 | 130002301013203200 |
5 | 443131431422004 |
6 | 21455523314400 |
7 | 2114116663326 |
oct | 340261074340 |
9 | 85644475140 |
10 | 30111201504 |
11 | 11851a963aa |
12 | 5a0421ba00 |
13 | 2abb42b2c7 |
14 | 1659113d16 |
15 | bb3792739 |
hex | 702c478e0 |
30111201504 has 72 divisors (see below), whose sum is σ = 86253869520. Its totient is φ = 9963790848.
The previous prime is 30111201503. The next prime is 30111201517. The reversal of 30111201504 is 40510211103.
30111201504 is a `hidden beast` number, since 30 + 11 + 120 + 1 + 504 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30111201503) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342124 + ... + 421035.
It is an arithmetic number, because the mean of its divisors is an integer number (1197970410).
Almost surely, 230111201504 is an apocalyptic number.
It is an amenable number.
30111201504 is an abundant number, since it is smaller than the sum of its proper divisors (56142668016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30111201504 is a wasteful number, since it uses less digits than its factorization.
30111201504 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 763312 (or 763301 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
Adding to 30111201504 its reverse (40510211103), we get a palindrome (70621412607).
The spelling of 30111201504 in words is "thirty billion, one hundred eleven million, two hundred one thousand, five hundred four".
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