Search a number
-
+
12251445452 = 227938770397
BaseRepresentation
bin10110110100011111…
…00011100011001100
31011121211020220122222
423122033203203030
5200042332223302
65343410554512
7612413365601
oct133217434314
934554226588
1012251445452
115217692334
12245ab98a38
13120329210c
148431926a8
154ba88cda2
hex2da3e38cc

12251445452 has 12 divisors (see below), whose sum is σ = 21711422880. Its totient is φ = 6048181776.

The previous prime is 12251445449. The next prime is 12251445457. The reversal of 12251445452 is 25454415221.

It is not an unprimeable number, because it can be changed into a prime (12251445457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19384883 + ... + 19385514.

It is an arithmetic number, because the mean of its divisors is an integer number (1809285240).

Almost surely, 212251445452 is an apocalyptic number.

It is an amenable number.

12251445452 is a deficient number, since it is larger than the sum of its proper divisors (9459977428).

12251445452 is a wasteful number, since it uses less digits than its factorization.

12251445452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38770480 (or 38770478 counting only the distinct ones).

The product of its digits is 64000, while the sum is 35.

The spelling of 12251445452 in words is "twelve billion, two hundred fifty-one million, four hundred forty-five thousand, four hundred fifty-two".

Divisors: 1 2 4 79 158 316 38770397 77540794 155081588 3062861363 6125722726 12251445452