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11818285308 = 2232328285703
BaseRepresentation
bin10110000000110110…
…01011100011111100
31010111122012002122200
423000123023203330
5143200440112213
65232414511500
7565603524204
oct130033134374
933448162580
1011818285308
115015128745
122359b05590
13116461033b
14801839404
15492829273
hex2c06cb8fc

11818285308 has 18 divisors (see below), whose sum is σ = 29873999064. Its totient is φ = 3939428424.

The previous prime is 11818285307. The next prime is 11818285309. The reversal of 11818285308 is 80358281811.

11818285308 is a `hidden beast` number, since 11 + 81 + 8 + 28 + 530 + 8 = 666.

11818285308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11818285307) and next prime (11818285309).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818285307) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 164142816 + ... + 164142887.

Almost surely, 211818285308 is an apocalyptic number.

11818285308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11818285308 is an abundant number, since it is smaller than the sum of its proper divisors (18055713756).

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

11818285308 is a wasteful number, since it uses less digits than its factorization.

11818285308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328285713 (or 328285708 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 11818285308 in words is "eleven billion, eight hundred eighteen million, two hundred eighty-five thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 328285703 656571406 984857109 1313142812 1969714218 2954571327 3939428436 5909142654 11818285308