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20136212201 = 723125069641
BaseRepresentation
bin10010110000001101…
…100011011011101001
31220222022211120021002
4102300031203123221
5312214332242301
613130032524345
71311664660010
oct226015433351
956868746232
1020136212201
1185a3404296
123a9b6b06b5
131b8b989b81
14d90421a77
157ccbc516b
hex4b03636e9

20136212201 has 8 divisors (see below), whose sum is σ = 24013371264. Its totient is φ = 16509192480.

The previous prime is 20136212189. The next prime is 20136212221. The reversal of 20136212201 is 10221263102.

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 20136212201 - 218 = 20135950057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20136212221) 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 7 ways as a sum of consecutive naturals, for example, 62534660 + ... + 62534981.

It is an arithmetic number, because the mean of its divisors is an integer number (3001671408).

Almost surely, 220136212201 is an apocalyptic number.

It is an amenable number.

20136212201 is a deficient number, since it is larger than the sum of its proper divisors (3877159063).

20136212201 is a wasteful number, since it uses less digits than its factorization.

20136212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125069671.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20136212201 its reverse (10221263102), we get a palindrome (30357475303).

The spelling of 20136212201 in words is "twenty billion, one hundred thirty-six million, two hundred twelve thousand, two hundred one".

Divisors: 1 7 23 161 125069641 875487487 2876601743 20136212201