Base | Representation |
---|---|
bin | 11000101001011111… |
… | …11000111001010101 |
3 | 1021011020020001101220 |
4 | 30110233320321111 |
5 | 204100122000041 |
6 | 10025033040553 |
7 | 645632433663 |
oct | 142457707125 |
9 | 37136201356 |
10 | 13233000021 |
11 | 568075785a |
12 | 2693856159 |
13 | 132b741637 |
14 | 8d769bc33 |
15 | 526b28d66 |
hex | 314bf8e55 |
13233000021 has 32 divisors (see below), whose sum is σ = 18821268480. Its totient is φ = 8252285184.
The previous prime is 13233000019. The next prime is 13233000023. The reversal of 13233000021 is 12000033231.
It is an interprime number because it is at equal distance from previous prime (13233000019) and next prime (13233000023).
It is not a de Polignac number, because 13233000021 - 21 = 13233000019 is a prime.
It is a super-2 number, since 2×132330000212 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13233000023) 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, 632301 + ... + 652893.
It is an arithmetic number, because the mean of its divisors is an integer number (588164640).
Almost surely, 213233000021 is an apocalyptic number.
It is an amenable number.
13233000021 is a deficient number, since it is larger than the sum of its proper divisors (5588268459).
13233000021 is a wasteful number, since it uses less digits than its factorization.
13233000021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20825.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 13233000021 its reverse (12000033231), we get a palindrome (25233033252).
The spelling of 13233000021 in words is "thirteen billion, two hundred thirty-three million, twenty-one", and thus it is an aban number.
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