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3816013780 = 225533600013
BaseRepresentation
bin1110001101110011…
…1011111111010100
3100211221111120210201
43203130323333110
530303344420110
61430354230244
7163364403415
oct34334737724
910757446721
103816013780
1116890496a7
128a5b85384
1348a783327
14282b3d80c
15175030b3a
hexe373bfd4

3816013780 has 24 divisors (see below), whose sum is σ = 8164831752. Its totient is φ = 1497604992.

The previous prime is 3816013723. The next prime is 3816013781. The reversal of 3816013780 is 873106183.

It can be written as a sum of positive squares in 4 ways, for example, as 148742416 + 3667271364 = 12196^2 + 60558^2 .

It is a super-2 number, since 2×38160137802 = 29123922338299776800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816013781) 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, 1798947 + ... + 1801066.

It is an arithmetic number, because the mean of its divisors is an integer number (340201323).

Almost surely, 23816013780 is an apocalyptic number.

It is an amenable number.

3816013780 is an abundant number, since it is smaller than the sum of its proper divisors (4348817972).

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

3816013780 is a wasteful number, since it uses less digits than its factorization.

3816013780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600075 (or 3600073 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3816013780 is about 61773.8923818145. The cubic root of 3816013780 is about 1562.6797274220.

The spelling of 3816013780 in words is "three billion, eight hundred sixteen million, thirteen thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 3600013 7200026 14400052 18000065 36000130 72000260 190800689 381601378 763202756 954003445 1908006890 3816013780