Base | Representation |
---|---|
bin | 11111111101101101… |
… | …110101001011100111 |
3 | 10021120220210211120220 |
4 | 133331231311023213 |
5 | 1030242240433111 |
6 | 23433403055423 |
7 | 2323342156662 |
oct | 377555651347 |
9 | 107526724526 |
10 | 34321421031 |
11 | 13612602677 |
12 | 679a211573 |
13 | 330c774771 |
14 | 193834a6d9 |
15 | d5d1dee06 |
hex | 7fdb752e7 |
34321421031 has 16 divisors (see below), whose sum is σ = 47797601280. Its totient is φ = 21865013280.
The previous prime is 34321421011. The next prime is 34321421053. The reversal of 34321421031 is 13012412343.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-34321421031 is a prime.
It is a super-2 number, since 2×343214210312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 34321420992 and 34321421010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34321421011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167680 + ... + 311061.
It is an arithmetic number, because the mean of its divisors is an integer number (2987350080).
Almost surely, 234321421031 is an apocalyptic number.
34321421031 is a deficient number, since it is larger than the sum of its proper divisors (13476180249).
34321421031 is a wasteful number, since it uses less digits than its factorization.
34321421031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 479806.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 34321421031 its reverse (13012412343), we get a palindrome (47333833374).
The spelling of 34321421031 in words is "thirty-four billion, three hundred twenty-one million, four hundred twenty-one thousand, thirty-one".
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