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3680809308 = 2232119294973
BaseRepresentation
bin1101101101100100…
…1011000101011100
3100111112002111010200
43123121023011130
530014241344213
61405124303500
7160133235321
oct33331130534
910445074120
103680809308
1116197a2570
12868841b90
13468764997
1426cbc6b48
15168225273
hexdb64b15c

3680809308 has 36 divisors (see below), whose sum is σ = 10150111608. Its totient is φ = 1115396640.

The previous prime is 3680809291. The next prime is 3680809381. The reversal of 3680809308 is 8039080863.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4647091 + ... + 4647882.

Almost surely, 23680809308 is an apocalyptic number.

It is an amenable number.

3680809308 is an abundant number, since it is smaller than the sum of its proper divisors (6469302300).

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

3680809308 is a wasteful number, since it uses less digits than its factorization.

3680809308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294994 (or 9294989 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3680809308 is about 60669.6737093583. The cubic root of 3680809308 is about 1544.0016952338.

The spelling of 3680809308 in words is "three billion, six hundred eighty million, eight hundred nine thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 9294973 18589946 27884919 37179892 55769838 83654757 102244703 111539676 167309514 204489406 306734109 334619028 408978812 613468218 920202327 1226936436 1840404654 3680809308