Search a number
-
+
12001354372 = 227428619799
BaseRepresentation
bin10110010110101011…
…00010001010000100
31010222101122222012101
423023111202022010
5144034321314442
65302514401444
7603255554230
oct131325421204
933871588171
1012001354372
1150a94a7197
1223ab290284
13119351a127
1481bc915c0
154a393bcb7
hex2cb562284

12001354372 has 12 divisors (see below), whose sum is σ = 24002708800. Its totient is φ = 5143437576.

The previous prime is 12001354361. The next prime is 12001354451. The reversal of 12001354372 is 27345310021.

12001354372 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 428619799 = 12001354372 / (1 + 2 + 0 + 0 + 1 + 3 + 5 + 4 + 3 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 12001354372.

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, 214309872 + ... + 214309927.

Almost surely, 212001354372 is an apocalyptic number.

It is an amenable number.

12001354372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12001354372 is a wasteful number, since it uses less digits than its factorization.

12001354372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428619810 (or 428619808 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 12001354372 its reverse (27345310021), we get a palindrome (39346664393).

The spelling of 12001354372 in words is "twelve billion, one million, three hundred fifty-four thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 428619799 857239598 1714479196 3000338593 6000677186 12001354372