Search a number
-
+
12245044552 = 2313591995607
BaseRepresentation
bin10110110011101110…
…01000110101001000
31011121101012201021121
423121313020311020
5200034212411202
65343021445024
7612305106226
oct133167106510
934541181247
1012245044552
115214010234
122458a10774
131201b607c0
148423a7b16
154ba026537
hex2d9dc8d48

12245044552 has 32 divisors (see below), whose sum is σ = 25144660800. Its totient is φ = 5555767104.

The previous prime is 12245044517. The next prime is 12245044579. The reversal of 12245044552 is 25544054221.

12245044552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122450445522 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991668 + ... + 1003939.

It is an arithmetic number, because the mean of its divisors is an integer number (785770650).

Almost surely, 212245044552 is an apocalyptic number.

It is an amenable number.

12245044552 is an abundant number, since it is smaller than the sum of its proper divisors (12899616248).

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

12245044552 is a wasteful number, since it uses less digits than its factorization.

12245044552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995685 (or 1995681 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 12245044552 its reverse (25544054221), we get a palindrome (37789098773).

The spelling of 12245044552 in words is "twelve billion, two hundred forty-five million, forty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 59 104 118 236 472 767 1534 3068 6136 1995607 3991214 7982428 15964856 25942891 51885782 103771564 117740813 207543128 235481626 470963252 941926504 1530630569 3061261138 6122522276 12245044552