Base | Representation |
---|---|
bin | 110100101000110011001010… |
… | …111001111101000010011110 |
3 | 1010100200101111021110121001020 |
4 | 310220303022321331002132 |
5 | 220320412341202204004 |
6 | 2140210340545025010 |
7 | 66522322606431222 |
oct | 6450631271750236 |
9 | 1110611437417036 |
10 | 231502141444254 |
11 | 6784456366252a |
12 | 21b6a7ba925166 |
13 | 9c237346835b5 |
14 | 4124a98bd4782 |
15 | 1bb6d7e2148d9 |
hex | d28ccae7d09e |
231502141444254 has 16 divisors (see below), whose sum is σ = 463166115947280. Its totient is φ = 77140408304960.
The previous prime is 231502141444169. The next prime is 231502141444279. The reversal of 231502141444254 is 452444141205132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6743025519 + ... + 6743059850.
It is an arithmetic number, because the mean of its divisors is an integer number (28947882246705).
Almost surely, 2231502141444254 is an apocalyptic number.
231502141444254 is an abundant number, since it is smaller than the sum of its proper divisors (231663974503026).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231502141444254 is a wasteful number, since it uses less digits than its factorization.
231502141444254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13486088235.
The product of its (nonzero) digits is 614400, while the sum is 42.
Adding to 231502141444254 its reverse (452444141205132), we get a palindrome (683946282649386).
The spelling of 231502141444254 in words is "two hundred thirty-one trillion, five hundred two billion, one hundred forty-one million, four hundred forty-four thousand, two hundred fifty-four".
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