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3831071040 = 263351726083
BaseRepresentation
bin1110010001011001…
…1000000101000000
3100212222211120111000
43210112120011000
530321223233130
61432053052000
7163636365216
oct34426300500
910788746430
103831071040
1116965a3415
128ab027000
13490925a54
14284b3ccb6
15176507260
hexe4598140

3831071040 has 224 divisors, whose sum is σ = 14310725760. Its totient is φ = 961486848.

The previous prime is 3831071033. The next prime is 3831071051. The reversal of 3831071040 is 401701383.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3831070995 and 3831071013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133839 + ... + 159921.

Almost surely, 23831071040 is an apocalyptic number.

3831071040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3831071040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7155362880).

3831071040 is an abundant number, since it is smaller than the sum of its proper divisors (10479654720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3831071040 is a wasteful number, since it uses less digits than its factorization.

3831071040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26126 (or 26110 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3831071040 is about 61895.6463735536. The cubic root of 3831071040 is about 1564.7323750368.

The spelling of 3831071040 in words is "three billion, eight hundred thirty-one million, seventy-one thousand, forty".