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3681484905 = 35726138171
BaseRepresentation
bin1101101101101111…
…0000000001101001
3100111120100210212210
43123123300001221
530014430004110
61405150555333
7160142051100
oct33333600151
910446323783
103681484905
11161a11410a
12868b08b49
13468940347
1426cd21037
1516830a520
hexdb6f0069

3681484905 has 48 divisors (see below), whose sum is σ = 6864087744. Its totient is φ = 1680013440.

The previous prime is 3681484879. The next prime is 3681484909. The reversal of 3681484905 is 5094841863.

3681484905 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3681484905 - 26 = 3681484841 is a prime.

It is a super-2 number, since 2×36814849052 = 27106662211485718050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3681484909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446470 + ... + 454640.

It is an arithmetic number, because the mean of its divisors is an integer number (143001828).

Almost surely, 23681484905 is an apocalyptic number.

3681484905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3681484905 is a deficient number, since it is larger than the sum of its proper divisors (3182602839).

3681484905 is a wasteful number, since it uses less digits than its factorization.

3681484905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806 (or 8799 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 3681484905 is about 60675.2412850579. The cubic root of 3681484905 is about 1544.0961544512.

The spelling of 3681484905 in words is "three billion, six hundred eighty-one million, four hundred eighty-four thousand, nine hundred five".

Divisors: 1 3 5 7 15 21 35 49 105 147 245 613 735 1839 3065 4291 8171 9195 12873 21455 24513 30037 40855 57197 64365 90111 122565 150185 171591 285985 400379 450555 857955 1201137 2001895 5008823 6005685 15026469 25044115 35061761 75132345 105185283 175308805 245432327 525926415 736296981 1227161635 3681484905