Search a number
-
+
12852231750057 = 371932211107143
BaseRepresentation
bin1011101100000110010010…
…1101010100000110101001
31200111122212010110122221110
42323001210231110012221
53141032332312000212
643200122254100533
72464354166244150
oct273014455240651
950448763418843
1012852231750057
114105667847487
121536a224aa749
13722c638a602b
143260a0c18597
151744b1996a3c
hexbb064b541a9

12852231750057 has 16 divisors (see below), whose sum is σ = 20615108572160. Its totient is φ = 6957599142672.

The previous prime is 12852231750041. The next prime is 12852231750121. The reversal of 12852231750057 is 75005713225821.

It is not a de Polignac number, because 12852231750057 - 24 = 12852231750041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12852231749988 and 12852231750015.

It is not an unprimeable number, because it can be changed into a prime (12852231750037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16105553173 + ... + 16105553970.

It is an arithmetic number, because the mean of its divisors is an integer number (1288444285760).

Almost surely, 212852231750057 is an apocalyptic number.

It is an amenable number.

12852231750057 is a deficient number, since it is larger than the sum of its proper divisors (7762876822103).

12852231750057 is a wasteful number, since it uses less digits than its factorization.

12852231750057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32211107172.

The product of its (nonzero) digits is 1176000, while the sum is 48.

Adding to 12852231750057 its reverse (75005713225821), we get a palindrome (87857944975878).

The spelling of 12852231750057 in words is "twelve trillion, eight hundred fifty-two billion, two hundred thirty-one million, seven hundred fifty thousand, fifty-seven".

Divisors: 1 3 7 19 21 57 133 399 32211107143 96633321429 225477750001 612011035717 676433250003 1836033107151 4284077250019 12852231750057