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3689900000 = 255536899
BaseRepresentation
bin1101101111101111…
…0110011111100000
3100112011012100012222
43123323312133200
530024103300000
61410051210212
7160303426643
oct33373663740
910464170188
103689900000
111623941536
1286b8a6968
1346a5c86a7
142700b1a5a
15168e1da85
hexdbef67e0

3689900000 has 72 divisors (see below), whose sum is σ = 9080278200. Its totient is φ = 1475920000.

The previous prime is 3689899981. The next prime is 3689900009. The reversal of 3689900000 is 99863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689900009) 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, 81551 + ... + 118449.

It is an arithmetic number, because the mean of its divisors is an integer number (126114975).

Almost surely, 23689900000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3689900000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4540139100).

3689900000 is an abundant number, since it is smaller than the sum of its proper divisors (5390378200).

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

3689900000 is an frugal number, since it uses more digits than its factorization.

3689900000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36934 (or 36906 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3689900000 is about 60744.5470803759. The cubic root of 3689900000 is about 1545.2717514745.

Adding to 3689900000 its reverse (99863), we get a palindrome (3689999863).

The spelling of 3689900000 in words is "three billion, six hundred eighty-nine million, nine hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 36899 50000 73798 100000 147596 184495 295192 368990 590384 737980 922475 1180768 1475960 1844950 2951920 3689900 4612375 5903840 7379800 9224750 14759600 18449500 23061875 29519200 36899000 46123750 73798000 92247500 115309375 147596000 184495000 230618750 368990000 461237500 737980000 922475000 1844950000 3689900000