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4138915682 = 211378361261
BaseRepresentation
bin1111011010110010…
…1101011101100010
3101200110002200221102
43312230231131202
531434030300212
61522411154402
7204365126366
oct36654553542
911613080842
104138915682
111834345680
12976145a02
1350c63c345
142b39952a6
151935655c2
hexf6b2d762

4138915682 has 32 divisors (see below), whose sum is σ = 7039738944. Its totient is φ = 1808395200.

The previous prime is 4138915681. The next prime is 4138915709. The reversal of 4138915682 is 2865198314.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4138915681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36932 + ... + 98192.

It is an arithmetic number, because the mean of its divisors is an integer number (219991842).

Almost surely, 24138915682 is an apocalyptic number.

4138915682 is a deficient number, since it is larger than the sum of its proper divisors (2900823262).

4138915682 is a wasteful number, since it uses less digits than its factorization.

4138915682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61394.

The product of its digits is 414720, while the sum is 47.

The square root of 4138915682 is about 64334.4051188787. The cubic root of 4138915682 is about 1605.5685762920.

The spelling of 4138915682 in words is "four billion, one hundred thirty-eight million, nine hundred fifteen thousand, six hundred eighty-two".

Divisors: 1 2 11 22 37 74 83 166 407 814 913 1826 3071 6142 33781 61261 67562 122522 673871 1347742 2266657 4533314 5084663 10169326 24933227 49866454 55931293 111862586 188132531 376265062 2069457841 4138915682