Base | Representation |
---|---|
bin | 11100001001111110… |
… | …011011010111001111 |
3 | 2220000221002101021102 |
4 | 130021332123113033 |
5 | 443403411143043 |
6 | 21515523253315 |
7 | 2120115605453 |
oct | 341176332717 |
9 | 86027071242 |
10 | 30232131023 |
11 | 11904282556 |
12 | 5a3881a23b |
13 | 2b0a4bc333 |
14 | 166b1d2663 |
15 | bbe1cd6b8 |
hex | 709f9b5cf |
30232131023 has 8 divisors (see below), whose sum is σ = 31255172736. Its totient is φ = 29212077600.
The previous prime is 30232131011. The next prime is 30232131031. The reversal of 30232131023 is 32013123203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30232131023 - 212 = 30232126927 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30232130986 and 30232131004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30234131023) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726488 + ... + 766973.
It is an arithmetic number, because the mean of its divisors is an integer number (3906896592).
Almost surely, 230232131023 is an apocalyptic number.
30232131023 is a deficient number, since it is larger than the sum of its proper divisors (1023041713).
30232131023 is a wasteful number, since it uses less digits than its factorization.
30232131023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1494145.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30232131023 its reverse (32013123203), we get a palindrome (62245254226).
The spelling of 30232131023 in words is "thirty billion, two hundred thirty-two million, one hundred thirty-one thousand, twenty-three".
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