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8381133741 = 34364970029
BaseRepresentation
bin1111100111000110…
…11111001110101101
3210122002120201002210
413303203133032231
5114131032234431
63503352441033
7414456314151
oct76343371655
923562521083
108381133741
113610a27912
12175a9a9179
13a374aa346
1459715b061
15340bd3d46
hex1f38df3ad

8381133741 has 8 divisors (see below), whose sum is σ = 11434725280. Its totient is φ = 5457482352.

The previous prime is 8381133731. The next prime is 8381133769. The reversal of 8381133741 is 1473311838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-8381133741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8381133741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381133731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32484886 + ... + 32485143.

It is an arithmetic number, because the mean of its divisors is an integer number (1429340660).

Almost surely, 28381133741 is an apocalyptic number.

It is an amenable number.

8381133741 is a deficient number, since it is larger than the sum of its proper divisors (3053591539).

8381133741 is a wasteful number, since it uses less digits than its factorization.

8381133741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64970075.

The product of its digits is 48384, while the sum is 39.

The square root of 8381133741 is about 91548.5321619085. The cubic root of 8381133741 is about 2031.2697000680.

The spelling of 8381133741 in words is "eight billion, three hundred eighty-one million, one hundred thirty-three thousand, seven hundred forty-one".

Divisors: 1 3 43 129 64970029 194910087 2793711247 8381133741