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38622839245 = 57724567849
BaseRepresentation
bin100011111110000110…
…011100000111001101
310200200200200112002121
4203332012130013031
51113044421323440
625424301252541
72535052500604
oct437606340715
9120620615077
1038622839245
111541a649861
12759a864151
13384696c643
141c25722a3b
151010b5434a
hex8fe19c1cd

38622839245 has 4 divisors (see below), whose sum is σ = 46347407100. Its totient is φ = 30898271392.

The previous prime is 38622839237. The next prime is 38622839261. The reversal of 38622839245 is 54293822683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54293822683 = 63186044093.

It can be written as a sum of positive squares in 2 ways, for example, as 8549036521 + 30073802724 = 92461^2 + 173418^2 .

It is a cyclic number.

It is not a de Polignac number, because 38622839245 - 23 = 38622839237 is a prime.

It is a super-2 number, since 2×386228392452 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38622839192 and 38622839201.

It is a congruent number.

It is an unprimeable number.

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, 3862283920 + ... + 3862283929.

It is an arithmetic number, because the mean of its divisors is an integer number (11586851775).

Almost surely, 238622839245 is an apocalyptic number.

It is an amenable number.

38622839245 is a deficient number, since it is larger than the sum of its proper divisors (7724567855).

38622839245 is an equidigital number, since it uses as much as digits as its factorization.

38622839245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724567854.

The product of its digits is 4976640, while the sum is 52.

The spelling of 38622839245 in words is "thirty-eight billion, six hundred twenty-two million, eight hundred thirty-nine thousand, two hundred forty-five".

Divisors: 1 5 7724567849 38622839245