Search a number
-
+
12308190819042 = 2313211552888067
BaseRepresentation
bin1011001100011011100101…
…0101110111001011100010
31121120122120222110211221210
42303012321111313023202
53103124133322202132
642102145500530550
72410144304523636
oct263067125671342
947518528424853
1012308190819042
113a15968930738
1214694b0250a56
136b3871452a81
14307a1089adc6
1516526e71dbcc
hexb31b95772e2

12308190819042 has 16 divisors (see below), whose sum is σ = 24635016310752. Its totient is φ = 4099624494240.

The previous prime is 12308190818969. The next prime is 12308190819097. The reversal of 12308190819042 is 24091809180321.

It is a happy number.

It is a super-2 number, since 2×123081908190422 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12308190818982 and 12308190819000.

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, 776436108 + ... + 776451959.

It is an arithmetic number, because the mean of its divisors is an integer number (1539688519422).

Almost surely, 212308190819042 is an apocalyptic number.

12308190819042 is an abundant number, since it is smaller than the sum of its proper divisors (12326825491710).

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

12308190819042 is a wasteful number, since it uses less digits than its factorization.

12308190819042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552889393.

The product of its (nonzero) digits is 248832, while the sum is 48.

Adding to 12308190819042 its reverse (24091809180321), we get a palindrome (36399999999363).

The spelling of 12308190819042 in words is "twelve trillion, three hundred eight billion, one hundred ninety million, eight hundred nineteen thousand, forty-two".

Divisors: 1 2 3 6 1321 2642 3963 7926 1552888067 3105776134 4658664201 9317328402 2051365136507 4102730273014 6154095409521 12308190819042