Search a number
-
+
12462143244 = 2231954658523
BaseRepresentation
bin10111001101100110…
…10011011100001100
31012011111201110200220
423212303103130030
5201010302040434
65420334551340
7620552320065
oct134663233414
935144643626
1012462143244
115315611741
1224b9668550
131237b23775
1486315b56c
154ce10bd49
hex2e6cd370c

12462143244 has 24 divisors (see below), whose sum is σ = 30608773440. Its totient is φ = 3935413584.

The previous prime is 12462143203. The next prime is 12462143347. The reversal of 12462143244 is 44234126421.

It is a nude number because it is divisible by every one of its digits.

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, 27329034 + ... + 27329489.

It is an arithmetic number, because the mean of its divisors is an integer number (1275365560).

Almost surely, 212462143244 is an apocalyptic number.

It is an amenable number.

12462143244 is an abundant number, since it is smaller than the sum of its proper divisors (18146630196).

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

12462143244 is a wasteful number, since it uses less digits than its factorization.

12462143244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54658549 (or 54658547 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

Adding to 12462143244 its reverse (44234126421), we get a palindrome (56696269665).

The spelling of 12462143244 in words is "twelve billion, four hundred sixty-two million, one hundred forty-three thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 54658523 109317046 163975569 218634092 327951138 655902276 1038511937 2077023874 3115535811 4154047748 6231071622 12462143244