Base | Representation |
---|---|
bin | 11111110010010100… |
… | …000010101110111101 |
3 | 10021002120211022010210 |
4 | 133302110002232331 |
5 | 1024344302031141 |
6 | 23402410423033 |
7 | 2315530106010 |
oct | 376224025675 |
9 | 107076738123 |
10 | 34130111421 |
11 | 1352461595a |
12 | 6746131a79 |
13 | 32abc40c03 |
14 | 191ab8b377 |
15 | d4b500916 |
hex | 7f2502bbd |
34130111421 has 64 divisors (see below), whose sum is σ = 55484448768. Its totient is φ = 18217156608.
The previous prime is 34130111419. The next prime is 34130111423. The reversal of 34130111421 is 12411103143.
It is an interprime number because it is at equal distance from previous prime (34130111419) and next prime (34130111423).
It is not a de Polignac number, because 34130111421 - 21 = 34130111419 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34130111423) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45935176 + ... + 45935918.
It is an arithmetic number, because the mean of its divisors is an integer number (866944512).
Almost surely, 234130111421 is an apocalyptic number.
It is an amenable number.
34130111421 is a deficient number, since it is larger than the sum of its proper divisors (21354337347).
34130111421 is a wasteful number, since it uses less digits than its factorization.
34130111421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1570.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 34130111421 its reverse (12411103143), we get a palindrome (46541214564).
The spelling of 34130111421 in words is "thirty-four billion, one hundred thirty million, one hundred eleven thousand, four hundred twenty-one".
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