Base | Representation |
---|---|
bin | 11100000010001110… |
… | …001000101010111000 |
3 | 2212200212021121122020 |
4 | 130002032020222320 |
5 | 443122104443112 |
6 | 21454554554440 |
7 | 2113646020263 |
oct | 340216105270 |
9 | 85625247566 |
10 | 30102031032 |
11 | 118478a24a7 |
12 | 5a01138a20 |
13 | 2ab956a1a8 |
14 | 1657c07cda |
15 | bb2a8048c |
hex | 702388ab8 |
30102031032 has 32 divisors (see below), whose sum is σ = 75259766400. Its totient is φ = 10033385184.
The previous prime is 30102031007. The next prime is 30102031073. The reversal of 30102031032 is 23013020103.
It is a super-2 number, since 2×301020310322 (a number of 22 digits) contains 22 as substring.
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, 513819 + ... + 569397.
It is an arithmetic number, because the mean of its divisors is an integer number (2351867700).
Almost surely, 230102031032 is an apocalyptic number.
It is an amenable number.
30102031032 is an abundant number, since it is smaller than the sum of its proper divisors (45157735368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102031032 is a wasteful number, since it uses less digits than its factorization.
30102031032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78155 (or 78151 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30102031032 its reverse (23013020103), we get a palindrome (53115051135).
The spelling of 30102031032 in words is "thirty billion, one hundred two million, thirty-one thousand, thirty-two".
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