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137248397833 = 1103124431911
BaseRepresentation
bin111111111010010100…
…1000101101000001001
3111010021002002000011211
41333310221011220021
54222041042212313
6143015005253121
712626100063361
oct1776451055011
9433232060154
10137248397833
1153230162768
12227242641a1
13cc337abb31
1469000059a1
153884396e3d
hex1ff4a45a09

137248397833 has 4 divisors (see below), whose sum is σ = 137372830848. Its totient is φ = 137123964820.

The previous prime is 137248397807. The next prime is 137248397843. The reversal of 137248397833 is 338793842731.

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: 338793842731 = 1272667668053.

It is a cyclic number.

It is not a de Polignac number, because 137248397833 - 217 = 137248266761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137248397843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62214853 + ... + 62217058.

It is an arithmetic number, because the mean of its divisors is an integer number (34343207712).

Almost surely, 2137248397833 is an apocalyptic number.

It is an amenable number.

137248397833 is a deficient number, since it is larger than the sum of its proper divisors (124433015).

137248397833 is a wasteful number, since it uses less digits than its factorization.

137248397833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124433014.

The product of its digits is 18289152, while the sum is 58.

The spelling of 137248397833 in words is "one hundred thirty-seven billion, two hundred forty-eight million, three hundred ninety-seven thousand, eight hundred thirty-three".

Divisors: 1 1103 124431911 137248397833