Base | Representation |
---|---|
bin | 11100011011110011… |
… | …011010010101100010 |
3 | 2220210202220100012221 |
4 | 130123303122111202 |
5 | 1000011443424442 |
6 | 22005330141254 |
7 | 2130410125315 |
oct | 343363322542 |
9 | 86722810187 |
10 | 30531233122 |
11 | 11a480a3375 |
12 | 5b00a2182a |
13 | 2b57464520 |
14 | 1698c1097c |
15 | bda5b1467 |
hex | 71bcda562 |
30531233122 has 8 divisors (see below), whose sum is σ = 49319684316. Its totient is φ = 14091338352.
The previous prime is 30531233119. The next prime is 30531233141. The reversal of 30531233122 is 22133213503.
It can be written as a sum of positive squares in 2 ways, for example, as 27123125481 + 3408107641 = 164691^2 + 58379^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 587139073 + ... + 587139124.
Almost surely, 230531233122 is an apocalyptic number.
30531233122 is a deficient number, since it is larger than the sum of its proper divisors (18788451194).
30531233122 is a wasteful number, since it uses less digits than its factorization.
30531233122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1174278212.
The product of its (nonzero) digits is 3240, while the sum is 25.
Adding to 30531233122 its reverse (22133213503), we get a palindrome (52664446625).
The spelling of 30531233122 in words is "thirty billion, five hundred thirty-one million, two hundred thirty-three thousand, one hundred twenty-two".
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