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20011055315 = 510313881873
BaseRepresentation
bin10010101000110000…
…000111100011010011
31220122121022221021212
4102220300013203103
5311440312232230
613105402210335
71305615110066
oct225060074323
956577287255
1020011055315
1185397a0049
123a657b39ab
131b6ba78944
14d7b9628dd
157c1c01895
hex4a8c078d3

20011055315 has 8 divisors (see below), whose sum is σ = 24036563808. Its totient is φ = 15993312640.

The previous prime is 20011055299. The next prime is 20011055347. The reversal of 20011055315 is 51355011002.

It is a happy number.

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

It is not a de Polignac number, because 20011055315 - 24 = 20011055299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935782 + ... + 1946091.

It is an arithmetic number, because the mean of its divisors is an integer number (3004570476).

Almost surely, 220011055315 is an apocalyptic number.

20011055315 is a deficient number, since it is larger than the sum of its proper divisors (4025508493).

20011055315 is a wasteful number, since it uses less digits than its factorization.

20011055315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882909.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 20011055315 its reverse (51355011002), we get a palindrome (71366066317).

The spelling of 20011055315 in words is "twenty billion, eleven million, fifty-five thousand, three hundred fifteen".

Divisors: 1 5 1031 5155 3881873 19409365 4002211063 20011055315