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20115530346 = 233352588391
BaseRepresentation
bin10010101110111110…
…101010001001101010
31220220212220211002110
4102232332222021222
5312144033432341
613124013343150
71311324121032
oct225676521152
956825824073
1020115530346
11859276874a
123a94797ab6
131b875c82a2
14d8b79a8c2
157cae8c216
hex4aefaa26a

20115530346 has 8 divisors (see below), whose sum is σ = 40231060704. Its totient is φ = 6705176780.

The previous prime is 20115530341. The next prime is 20115530389. The reversal of 20115530346 is 64303551102.

It is a sphenic number, since it is the product of 3 distinct primes.

20115530346 is an admirable number.

It is a super-2 number, since 2×201155303462 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20115530341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676294190 + ... + 1676294201.

It is an arithmetic number, because the mean of its divisors is an integer number (5028882588).

Almost surely, 220115530346 is an apocalyptic number.

20115530346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20115530346 is a wasteful number, since it uses less digits than its factorization.

20115530346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352588396.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 20115530346 in words is "twenty billion, one hundred fifteen million, five hundred thirty thousand, three hundred forty-six".

Divisors: 1 2 3 6 3352588391 6705176782 10057765173 20115530346