Base | Representation |
---|---|
bin | 1101101010100101111… |
… | …1101100000100100101 |
3 | 211102222122201201222120 |
4 | 3122221133230010211 |
5 | 12321303100443334 |
6 | 255504104220153 |
7 | 22650603066654 |
oct | 3325137540445 |
9 | 742878651876 |
10 | 234771890469 |
11 | 90625680166 |
12 | 3960076a659 |
13 | 191a61c61ac |
14 | b5121ad19b |
15 | 6190e96949 |
hex | 36a97ec125 |
234771890469 has 16 divisors (see below), whose sum is σ = 314285324544. Its totient is φ = 155886897600.
The previous prime is 234771890467. The next prime is 234771890497. The reversal of 234771890469 is 964098177432.
It is not a de Polignac number, because 234771890469 - 21 = 234771890467 is a prime.
It is a super-2 number, since 2×2347718904692 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (234771890467) 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, 2573847 + ... + 2663499.
It is an arithmetic number, because the mean of its divisors is an integer number (19642832784).
Almost surely, 2234771890469 is an apocalyptic number.
It is an amenable number.
234771890469 is a deficient number, since it is larger than the sum of its proper divisors (79513434075).
234771890469 is a wasteful number, since it uses less digits than its factorization.
234771890469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93148.
The product of its (nonzero) digits is 18289152, while the sum is 60.
It can be divided in two parts, 23477 and 1890469, that added together give a triangular number (1913946 = T1956).
The spelling of 234771890469 in words is "two hundred thirty-four billion, seven hundred seventy-one million, eight hundred ninety thousand, four hundred sixty-nine".
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