Search a number
-
+
12151332305 = 57347180923
BaseRepresentation
bin10110101000100011…
…01001110111010001
31011100211212122020122
423110101221313101
5144341220113210
65325433120025
7610056422540
oct132421516721
934324778218
1012151332305
1151761238a2
122431559015
1311b860bc78
14833b72157
154b1bb4b55
hex2d4469dd1

12151332305 has 8 divisors (see below), whose sum is σ = 16664684352. Its totient is φ = 8332342128.

The previous prime is 12151332269. The next prime is 12151332337. The reversal of 12151332305 is 50323315121.

12151332305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12151332305 - 28 = 12151332049 is a prime.

It is a super-2 number, since 2×121513323052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 173590427 + ... + 173590496.

It is an arithmetic number, because the mean of its divisors is an integer number (2083085544).

Almost surely, 212151332305 is an apocalyptic number.

It is an amenable number.

12151332305 is a deficient number, since it is larger than the sum of its proper divisors (4513352047).

12151332305 is an equidigital number, since it uses as much as digits as its factorization.

12151332305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347180935.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 12151332305 its reverse (50323315121), we get a palindrome (62474647426).

The spelling of 12151332305 in words is "twelve billion, one hundred fifty-one million, three hundred thirty-two thousand, three hundred five".

Divisors: 1 5 7 35 347180923 1735904615 2430266461 12151332305