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20155603241 = 76147995519
BaseRepresentation
bin10010110001010111…
…100001100100101001
31221000200022201202202
4102301113201210221
5312234313300431
613132004305545
71312321541444
oct226127414451
957020281682
1020155603241
118603349044
123aa60a22b5
131b929b9067
14d92c2c65b
157ce7558cb
hex4b15e1929

20155603241 has 8 divisors (see below), whose sum is σ = 20189952000. Its totient is φ = 20121276640.

The previous prime is 20155603231. The next prime is 20155603249. The reversal of 20155603241 is 14230655102.

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

It is a cyclic number.

It is not a de Polignac number, because 20155603241 - 218 = 20155341097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20155603249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3649280 + ... + 3654798.

It is an arithmetic number, because the mean of its divisors is an integer number (2523744000).

Almost surely, 220155603241 is an apocalyptic number.

It is an amenable number.

20155603241 is a deficient number, since it is larger than the sum of its proper divisors (34348759).

20155603241 is an equidigital number, since it uses as much as digits as its factorization.

20155603241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11079.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 20155603241 in words is "twenty billion, one hundred fifty-five million, six hundred three thousand, two hundred forty-one".

Divisors: 1 761 4799 5519 3652039 4199959 26485681 20155603241