Base | Representation |
---|---|
bin | 11100110010011100… |
… | …111000011100011010 |
3 | 2221210020212211001000 |
4 | 130302130320130122 |
5 | 1001301231444343 |
6 | 22111142205430 |
7 | 2143002614436 |
oct | 346234703432 |
9 | 87706784030 |
10 | 30911203098 |
11 | 12122628446 |
12 | 5ba8123876 |
13 | 2bb80b1b29 |
14 | 16d347d9c6 |
15 | c0db19ed3 |
hex | 73273871a |
30911203098 has 32 divisors (see below), whose sum is σ = 68813640000. Its totient is φ = 10285422768.
The previous prime is 30911203067. The next prime is 30911203117. The reversal of 30911203098 is 89030211903.
It is a super-3 number, since 3×309112030983 (a number of 32 digits) contains 333 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477973 + ... + 538776.
It is an arithmetic number, because the mean of its divisors is an integer number (2150426250).
Almost surely, 230911203098 is an apocalyptic number.
30911203098 is an abundant number, since it is smaller than the sum of its proper divisors (37902436902).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30911203098 is a wasteful number, since it uses less digits than its factorization.
30911203098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1017323 (or 1017317 counting only the distinct ones).
The product of its (nonzero) digits is 11664, while the sum is 36.
The spelling of 30911203098 in words is "thirty billion, nine hundred eleven million, two hundred three thousand, ninety-eight".
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