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20103110299 = 314315081103
BaseRepresentation
bin10010101110001111…
…010001111010011011
31220220000112210222201
4102232033101322123
5312132344012144
613122451231031
71311113422006
oct225617217233
956800483881
1020103110299
118586755348
123a905a8477
131b84b6a04c
14d89c8653d
157c9d371d4
hex4ae3d1e9b

20103110299 has 8 divisors (see below), whose sum is σ = 21234194432. Its totient is φ = 19002188520.

The previous prime is 20103110273. The next prime is 20103110309. The reversal of 20103110299 is 99201130102.

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 20103110299 - 29 = 20103109787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20103110099) 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, 7539219 + ... + 7541884.

It is an arithmetic number, because the mean of its divisors is an integer number (2654274304).

Almost surely, 220103110299 is an apocalyptic number.

20103110299 is a deficient number, since it is larger than the sum of its proper divisors (1131084133).

20103110299 is a wasteful number, since it uses less digits than its factorization.

20103110299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15081177.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 20103110299 in words is "twenty billion, one hundred three million, one hundred ten thousand, two hundred ninety-nine".

Divisors: 1 31 43 1333 15081103 467514193 648487429 20103110299