Base | Representation |
---|---|
bin | 11111101100000011… |
… | …100111110011101011 |
3 | 10020211021022101021011 |
4 | 133230003213303223 |
5 | 1024140414043111 |
6 | 23344140524351 |
7 | 2313113643121 |
oct | 375403476353 |
9 | 106737271234 |
10 | 34025143531 |
11 | 13480340a35 |
12 | 6716b506b7 |
13 | 329327b132 |
14 | 190ac65911 |
15 | d421b9021 |
hex | 7ec0e7ceb |
34025143531 has 4 divisors (see below), whose sum is σ = 34025797872. Its totient is φ = 34024489192.
The previous prime is 34025143511. The next prime is 34025143543. The reversal of 34025143531 is 13534152043.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13534152043 = 8623 ⋅1569541.
It is a cyclic number.
It is not a de Polignac number, because 34025143531 - 211 = 34025141483 is a prime.
It is a super-2 number, since 2×340251435312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 34025143493 and 34025143502.
It is not an unprimeable number, because it can be changed into a prime (34025143511) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241735 + ... + 355648.
It is an arithmetic number, because the mean of its divisors is an integer number (8506449468).
Almost surely, 234025143531 is an apocalyptic number.
34025143531 is a deficient number, since it is larger than the sum of its proper divisors (654341).
34025143531 is an equidigital number, since it uses as much as digits as its factorization.
34025143531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 654340.
The product of its (nonzero) digits is 21600, while the sum is 31.
Adding to 34025143531 its reverse (13534152043), we get a palindrome (47559295574).
The spelling of 34025143531 in words is "thirty-four billion, twenty-five million, one hundred forty-three thousand, five hundred thirty-one".
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