Base | Representation |
---|---|
bin | 11000010001000110… |
… | …10101100100110111 |
3 | 1020121222012102122212 |
4 | 30020203111210313 |
5 | 203140231224111 |
6 | 5552443244035 |
7 | 640566266666 |
oct | 141043254467 |
9 | 36558172585 |
10 | 13028383031 |
11 | 5586201004 |
12 | 263721961b |
13 | 12c822b9b1 |
14 | 8b8436ddd |
15 | 513bab98b |
hex | 3088d5937 |
13028383031 has 8 divisors (see below), whose sum is σ = 13088419344. Its totient is φ = 12968382400.
The previous prime is 13028383021. The next prime is 13028383037. The reversal of 13028383031 is 13038382031.
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 13028383031 - 214 = 13028366647 is a prime.
It is a super-2 number, since 2×130283830312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13028383037) 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, 961856 + ... + 975306.
It is an arithmetic number, because the mean of its divisors is an integer number (1636052418).
Almost surely, 213028383031 is an apocalyptic number.
13028383031 is a deficient number, since it is larger than the sum of its proper divisors (60036313).
13028383031 is a wasteful number, since it uses less digits than its factorization.
13028383031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17841.
The product of its (nonzero) digits is 10368, while the sum is 32.
The spelling of 13028383031 in words is "thirteen billion, twenty-eight million, three hundred eighty-three thousand, thirty-one".
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