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18806763796 = 22411933671619
BaseRepresentation
bin10001100000111110…
…000111000100010100
31210112200020120220021
4101200332013010110
5302004012420141
612350102114524
71234022566102
oct214076070424
953480216807
1018806763796
117a80a22aa7
12378a41ba44
131a09411002
14ca5a36c72
157511196d1
hex460f87114

18806763796 has 48 divisors (see below), whose sum is σ = 34002581760. Its totient is φ = 9096007680.

The previous prime is 18806763743. The next prime is 18806763799. The reversal of 18806763796 is 69736760881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18806763799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11615475 + ... + 11617093.

It is an arithmetic number, because the mean of its divisors is an integer number (708387120).

Almost surely, 218806763796 is an apocalyptic number.

It is an amenable number.

18806763796 is a deficient number, since it is larger than the sum of its proper divisors (15195817964).

18806763796 is a wasteful number, since it uses less digits than its factorization.

18806763796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

It can be divided in two parts, 1880 and 6763796, that added together give a palindrome (6765676).

The spelling of 18806763796 in words is "eighteen billion, eight hundred six million, seven hundred sixty-three thousand, seven hundred ninety-six".

Divisors: 1 2 4 41 82 164 193 367 386 734 772 1468 1619 3238 6476 7913 15047 15826 30094 31652 60188 66379 70831 132758 141662 265516 283324 312467 594173 624934 1188346 1249868 2376692 2904071 5808142 11616284 12811147 24361093 25622294 48722186 51244588 97444372 114675389 229350778 458701556 4701690949 9403381898 18806763796