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20310100211 = 163732713793
BaseRepresentation
bin10010111010100100…
…111000100011110011
31221102110000222202202
4102322210320203303
5313043341201321
613155203533415
71316206001102
oct227244704363
957373028682
1020310100211
118682581995
123b2998a26b
131bb8a00a9b
14da9568039
157dd0c270b
hex4ba9388f3

20310100211 has 8 divisors (see below), whose sum is σ = 20334079584. Its totient is φ = 20286138240.

The previous prime is 20310100183. The next prime is 20310100253. The reversal of 20310100211 is 11200101302.

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 20310100211 - 26 = 20310100147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310100192 and 20310100201.

It is not an unprimeable number, because it can be changed into a prime (20310100411) 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, 5352731 + ... + 5356523.

It is an arithmetic number, because the mean of its divisors is an integer number (2541759948).

Almost surely, 220310100211 is an apocalyptic number.

20310100211 is a deficient number, since it is larger than the sum of its proper divisors (23979373).

20310100211 is a wasteful number, since it uses less digits than its factorization.

20310100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20310100211 its reverse (11200101302), we get a palindrome (31510201513).

The spelling of 20310100211 in words is "twenty billion, three hundred ten million, one hundred thousand, two hundred eleven".

Divisors: 1 1637 3271 3793 5354627 6209141 12406903 20310100211