Base | Representation |
---|---|
bin | 1101110010001011100110… |
… | …11101001010000010100110 |
3 | 10222022202100000211222000000 |
4 | 12321011303131022002212 |
5 | 12433110443413343024 |
6 | 144244530504202130 |
7 | 6245635516225422 |
oct | 671056335120246 |
9 | 128282300758000 |
10 | 30311521231014 |
11 | 9727053573781 |
12 | 34966ab169346 |
13 | 13bb4971720ca |
14 | 76b12a6bdb82 |
15 | 378713b85cc9 |
hex | 1b917374a0a6 |
30311521231014 has 56 divisors (see below), whose sum is σ = 69187197077400. Its totient is φ = 9953036790048.
The previous prime is 30311521231001. The next prime is 30311521231087. The reversal of 30311521231014 is 41013212511303.
30311521231014 is a `hidden beast` number, since 3 + 0 + 3 + 11 + 521 + 23 + 101 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 155050039 + ... + 155245410.
Almost surely, 230311521231014 is an apocalyptic number.
30311521231014 is an abundant number, since it is smaller than the sum of its proper divisors (38875675846386).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30311521231014 is an equidigital number, since it uses as much as digits as its factorization.
30311521231014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 310295536 (or 310295521 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
Adding to 30311521231014 its reverse (41013212511303), we get a palindrome (71324733742317).
The spelling of 30311521231014 in words is "thirty trillion, three hundred eleven billion, five hundred twenty-one million, two hundred thirty-one thousand, fourteen".
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