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3681368860 = 2251314159111
BaseRepresentation
bin1101101101101101…
…0011101100011100
3100111120010220200211
43123123103230130
530014412300420
61405144302204
7160141055551
oct33333235434
910446126624
103681368860
11161a044a04
12868a71964
134688cc590
1426ccd0a28
151682d5e5a
hexdb6d3b1c

3681368860 has 24 divisors (see below), whose sum is σ = 8325557856. Its totient is φ = 1359274560.

The previous prime is 3681368851. The next prime is 3681368861. The reversal of 3681368860 is 688631863.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681368861) 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 7 ways as a sum of consecutive naturals, for example, 7079296 + ... + 7079815.

It is an arithmetic number, because the mean of its divisors is an integer number (346898244).

Almost surely, 23681368860 is an apocalyptic number.

It is an amenable number.

3681368860 is an abundant number, since it is smaller than the sum of its proper divisors (4644188996).

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

3681368860 is a wasteful number, since it uses less digits than its factorization.

3681368860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159133 (or 14159131 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 3681368860 is about 60674.2849978473. The cubic root of 3681368860 is about 1544.0799303346.

It can be divided in two parts, 368136 and 8860, that added together give a square (376996 = 6142).

The spelling of 3681368860 in words is "three billion, six hundred eighty-one million, three hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 14159111 28318222 56636444 70795555 141591110 184068443 283182220 368136886 736273772 920342215 1840684430 3681368860