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3148381717 = 13390761987
BaseRepresentation
bin1011101110101000…
…0111111000010101
322010102020100210021
42323222013320111
522421441203332
61240224425141
7141006542305
oct27352077025
98112210707
103148381717
1113761a7868
1273a4781b1
133b2367980
1421c1cd605
15136603c97
hexbba87e15

3148381717 has 8 divisors (see below), whose sum is σ = 3391487456. Its totient is φ = 2905407792.

The previous prime is 3148381693. The next prime is 3148381727. The reversal of 3148381717 is 7171838413.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3148381717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3148381727) 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, 19798 + ... + 81784.

It is an arithmetic number, because the mean of its divisors is an integer number (423935932).

Almost surely, 23148381717 is an apocalyptic number.

It is an amenable number.

3148381717 is a deficient number, since it is larger than the sum of its proper divisors (243105739).

3148381717 is a wasteful number, since it uses less digits than its factorization.

3148381717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65907.

The product of its digits is 112896, while the sum is 43.

The square root of 3148381717 is about 56110.4421386964. The cubic root of 3148381717 is about 1465.6461355569.

The spelling of 3148381717 in words is "three billion, one hundred forty-eight million, three hundred eighty-one thousand, seven hundred seventeen".

Divisors: 1 13 3907 50791 61987 805831 242183209 3148381717