Base | Representation |
---|---|
bin | 11100001111111100… |
… | …100101110110111100 |
3 | 2220021220121011010202 |
4 | 130033330211312330 |
5 | 444110033004040 |
6 | 21533502423032 |
7 | 2122443256322 |
oct | 341774456674 |
9 | 86256534122 |
10 | 30332313020 |
11 | 11955888799 |
12 | 5a66291a78 |
13 | 2b25197919 |
14 | 167a62dd12 |
15 | bc7dbc015 |
hex | 70ff25dbc |
30332313020 has 24 divisors (see below), whose sum is σ = 63962173968. Its totient is φ = 12082579200.
The previous prime is 30332313017. The next prime is 30332313049. The reversal of 30332313020 is 2031323303.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 30332312983 and 30332313001.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141686 + ... + 3151325.
It is an arithmetic number, because the mean of its divisors is an integer number (2665090582).
Almost surely, 230332313020 is an apocalyptic number.
It is an amenable number.
30332313020 is an abundant number, since it is smaller than the sum of its proper divisors (33629860948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30332313020 is a wasteful number, since it uses less digits than its factorization.
30332313020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6293261 (or 6293259 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 30332313020 its reverse (2031323303), we get a palindrome (32363636323).
The spelling of 30332313020 in words is "thirty billion, three hundred thirty-two million, three hundred thirteen thousand, twenty".
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