Search a number
-
+
2315042144512 = 2811380027729
BaseRepresentation
bin100001101100000011010…
…000111100000100000000
322012022112021012222210121
4201230003100330010000
5300412201242111022
64531303215310024
7326153621356216
oct41540320740400
98168467188717
102315042144512
11812892a34979
12314806b1b314
1313a3cc8769b6
1480097666cb6
15403460282c7
hex21b0343c100

2315042144512 has 36 divisors (see below), whose sum is σ = 4661935383420. Its totient is φ = 1147277508608.

The previous prime is 2315042144507. The next prime is 2315042144531. The reversal of 2315042144512 is 2154412405132.

It can be written as a sum of positive squares in 2 ways, for example, as 1161428668416 + 1153613476096 = 1077696^2 + 1074064^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39984937 + ... + 40042792.

It is an arithmetic number, because the mean of its divisors is an integer number (129498205095).

Almost surely, 22315042144512 is an apocalyptic number.

It is an amenable number.

2315042144512 is an abundant number, since it is smaller than the sum of its proper divisors (2346893238908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2315042144512 is an equidigital number, since it uses as much as digits as its factorization.

2315042144512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80027858 (or 80027844 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 2315042144512 its reverse (2154412405132), we get a palindrome (4469454549644).

The spelling of 2315042144512 in words is "two trillion, three hundred fifteen billion, forty-two million, one hundred forty-four thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 64 113 128 226 256 452 904 1808 3616 7232 14464 28928 80027729 160055458 320110916 640221832 1280443664 2560887328 5121774656 9043133377 10243549312 18086266754 20487098624 36172533508 72345067016 144690134032 289380268064 578760536128 1157521072256 2315042144512