Base | Representation |
---|---|
bin | 1001101000111100100… |
… | …00001001001010110010 |
3 | 1011122221021220212211100 |
4 | 10310132100021022302 |
5 | 20411314311431010 |
6 | 412054350425230 |
7 | 32633640542343 |
oct | 4643620111262 |
9 | 1148837825740 |
10 | 331220030130 |
11 | 118519087aa0 |
12 | 54238b02216 |
13 | 25306bac212 |
14 | 120616120ca |
15 | 893847d2c0 |
hex | 4d1e4092b2 |
331220030130 has 48 divisors (see below), whose sum is σ = 939460451904. Its totient is φ = 80295764640.
The previous prime is 331220030123. The next prime is 331220030147. The reversal of 331220030130 is 31030022133.
331220030130 is a `hidden beast` number, since 3 + 312 + 20 + 0 + 301 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 167281854 + ... + 167283833.
It is an arithmetic number, because the mean of its divisors is an integer number (19572092748).
Almost surely, 2331220030130 is an apocalyptic number.
331220030130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
331220030130 is an abundant number, since it is smaller than the sum of its proper divisors (608240421774).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
331220030130 is a wasteful number, since it uses less digits than its factorization.
331220030130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 334565711 (or 334565708 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 331220030130 its reverse (31030022133), we get a palindrome (362250052263).
The spelling of 331220030130 in words is "three hundred thirty-one billion, two hundred twenty million, thirty thousand, one hundred thirty".
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