Search a number
-
+
12355505045 = 513190084693
BaseRepresentation
bin10111000000111001…
…00000101110010101
31011220002001200120222
423200130200232111
5200301002130140
65402005204125
7615116026412
oct134034405625
934802050528
1012355505045
1152703a68a4
122489a00645
13121b9c7640
14852d1d109
154c4a955b5
hex2e0720b95

12355505045 has 8 divisors (see below), whose sum is σ = 15967114296. Its totient is φ = 9124065216.

The previous prime is 12355504999. The next prime is 12355505047. The reversal of 12355505045 is 54050555321.

It can be written as a sum of positive squares in 4 ways, for example, as 24068836 + 12331436209 = 4906^2 + 111047^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12355505045 - 26 = 12355504981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12355504996 and 12355505014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355505047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95042282 + ... + 95042411.

It is an arithmetic number, because the mean of its divisors is an integer number (1995889287).

Almost surely, 212355505045 is an apocalyptic number.

It is an amenable number.

12355505045 is a deficient number, since it is larger than the sum of its proper divisors (3611609251).

12355505045 is a wasteful number, since it uses less digits than its factorization.

12355505045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190084711.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 12355505045 in words is "twelve billion, three hundred fifty-five million, five hundred five thousand, forty-five".

Divisors: 1 5 13 65 190084693 950423465 2471101009 12355505045