Base | Representation |
---|---|
bin | 11100001001111010… |
… | …001100011000101010 |
3 | 2220000211222222202002 |
4 | 130021322030120222 |
5 | 443403120133343 |
6 | 21515443411002 |
7 | 2120103303515 |
oct | 341172143052 |
9 | 86024888662 |
10 | 30231021098 |
11 | 11903694663 |
12 | 5a38383a62 |
13 | 2b0a1c1085 |
14 | 166adc3d7c |
15 | bbe05e8b8 |
hex | 709e8c62a |
30231021098 has 8 divisors (see below), whose sum is σ = 46452544740. Its totient is φ = 14746839520.
The previous prime is 30231021097. The next prime is 30231021101. The reversal of 30231021098 is 89012013203.
It can be written as a sum of positive squares in 2 ways, for example, as 25285134169 + 4945886929 = 159013^2 + 70327^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×302310210982 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30231021098.
It is not an unprimeable number, because it can be changed into a prime (30231021097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184335413 + ... + 184335576.
Almost surely, 230231021098 is an apocalyptic number.
30231021098 is a deficient number, since it is larger than the sum of its proper divisors (16221523642).
30231021098 is a wasteful number, since it uses less digits than its factorization.
30231021098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 368671032.
The product of its (nonzero) digits is 2592, while the sum is 29.
The spelling of 30231021098 in words is "thirty billion, two hundred thirty-one million, twenty-one thousand, ninety-eight".
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