Search a number
-
+
12848195537 = 31159412343
BaseRepresentation
bin10111111011100111…
…11110011111010001
31020011102010221212222
423331303332133101
5202303114224122
65522525230425
7633250601012
oct137563763721
936142127788
1012848195537
1154a3520521
1225a6a02415
131299ac0688
1489c531009
15502e67b42
hex2fdcfe7d1

12848195537 has 4 divisors (see below), whose sum is σ = 12848639040. Its totient is φ = 12847752036.

The previous prime is 12848195533. The next prime is 12848195611. The reversal of 12848195537 is 73559184821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73559184821 = 233198225427.

It is a cyclic number.

It is not a de Polignac number, because 12848195537 - 22 = 12848195533 is a prime.

It is a super-2 number, since 2×128481955372 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12848195533) 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, 175013 + ... + 237330.

It is an arithmetic number, because the mean of its divisors is an integer number (3212159760).

Almost surely, 212848195537 is an apocalyptic number.

It is an amenable number.

12848195537 is a deficient number, since it is larger than the sum of its proper divisors (443503).

12848195537 is an equidigital number, since it uses as much as digits as its factorization.

12848195537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443502.

The product of its digits is 2419200, while the sum is 53.

The spelling of 12848195537 in words is "twelve billion, eight hundred forty-eight million, one hundred ninety-five thousand, five hundred thirty-seven".

Divisors: 1 31159 412343 12848195537