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381313713 = 31121050451
BaseRepresentation
bin10110101110100…
…110001010110001
3222120111202002010
4112232212022301
51240104014323
6101500513133
712310053534
oct2656461261
9876452063
10381313713
11186272700
12a784b7a9
1360ccb121
14388dca1b
1523721c93
hex16ba62b1

381313713 has 12 divisors (see below), whose sum is σ = 558840464. Its totient is φ = 231099000.

The previous prime is 381313697. The next prime is 381313729. The reversal of 381313713 is 317313183.

It is an interprime number because it is at equal distance from previous prime (381313697) and next prime (381313729).

It is not a de Polignac number, because 381313713 - 24 = 381313697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (381313753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524863 + ... + 525588.

Almost surely, 2381313713 is an apocalyptic number.

381313713 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

381313713 is a deficient number, since it is larger than the sum of its proper divisors (177526751).

381313713 is a wasteful number, since it uses less digits than its factorization.

381313713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050476 (or 1050465 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 381313713 is about 19527.2556443551. The cubic root of 381313713 is about 725.1493710463.

Adding to 381313713 its reverse (317313183), we get a palindrome (698626896).

The spelling of 381313713 in words is "three hundred eighty-one million, three hundred thirteen thousand, seven hundred thirteen".

Divisors: 1 3 11 33 121 363 1050451 3151353 11554961 34664883 127104571 381313713