Search a number
-
+
12132144242 = 222291272131
BaseRepresentation
bin10110100110010000…
…11101010001110010
31011022111202210011122
423103020131101302
5144321312103432
65323505542242
7606434344631
oct132310352162
934274683148
1012132144242
115166308599
122427044982
1311b465129a
148313b9518
154b0174612
hex2d321d472

12132144242 has 8 divisors (see below), whose sum is σ = 18199099632. Its totient is φ = 6065777700.

The previous prime is 12132144239. The next prime is 12132144257. The reversal of 12132144242 is 24244123121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91484 + ... + 180647.

It is an arithmetic number, because the mean of its divisors is an integer number (2274887454).

Almost surely, 212132144242 is an apocalyptic number.

12132144242 is a deficient number, since it is larger than the sum of its proper divisors (6066955390).

12132144242 is a wasteful number, since it uses less digits than its factorization.

12132144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294424.

The product of its digits is 3072, while the sum is 26.

Adding to 12132144242 its reverse (24244123121), we get a palindrome (36376267363).

The spelling of 12132144242 in words is "twelve billion, one hundred thirty-two million, one hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 22291 44582 272131 544262 6066072121 12132144242