Base | Representation |
---|---|
bin | 11100001000001011… |
… | …110111101001101011 |
3 | 2212221211120122220120 |
4 | 130020023313221223 |
5 | 443323214202311 |
6 | 21512531454323 |
7 | 2116302421434 |
oct | 341013675153 |
9 | 85854518816 |
10 | 30202100331 |
11 | 11899330aa7 |
12 | 5a2a7573a3 |
13 | 2b042063b0 |
14 | 166721648b |
15 | bbb74a706 |
hex | 7082f7a6b |
30202100331 has 32 divisors (see below), whose sum is σ = 46712451072. Its totient is φ = 17204330880.
The previous prime is 30202100309. The next prime is 30202100359. The reversal of 30202100331 is 13300120203.
It is not a de Polignac number, because 30202100331 - 213 = 30202092139 is a prime.
It is a super-2 number, since 2×302021003312 (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 30202100331.
It is not an unprimeable number, because it can be changed into a prime (30202100381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515260 + ... + 570873.
It is an arithmetic number, because the mean of its divisors is an integer number (1459764096).
Almost surely, 230202100331 is an apocalyptic number.
30202100331 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30202100331 is a deficient number, since it is larger than the sum of its proper divisors (16510350741).
30202100331 is a wasteful number, since it uses less digits than its factorization.
30202100331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1086203.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 30202100331 its reverse (13300120203), we get a palindrome (43502220534).
The spelling of 30202100331 in words is "thirty billion, two hundred two million, one hundred thousand, three hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •