Search a number
-
+
20310102102 = 233385017017
BaseRepresentation
bin10010111010100100…
…111001000001010110
31221102110001002100210
4102322210321001112
5313043341231402
613155203550250
71316206006443
oct227244710126
957373032323
1020310102102
118682583354
123b2998b386
131bb8a018c4
14da95689ca
157dd0c306c
hex4ba939056

20310102102 has 8 divisors (see below), whose sum is σ = 40620204216. Its totient is φ = 6770034032.

The previous prime is 20310102101. The next prime is 20310102107. The reversal of 20310102102 is 20120101302.

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

20310102102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310102101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692508503 + ... + 1692508514.

It is an arithmetic number, because the mean of its divisors is an integer number (5077525527).

Almost surely, 220310102102 is an apocalyptic number.

20310102102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20310102102 is a wasteful number, since it uses less digits than its factorization.

20310102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385017022.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20310102102 its reverse (20120101302), we get a palindrome (40430203404).

The spelling of 20310102102 in words is "twenty billion, three hundred ten million, one hundred two thousand, one hundred two".

Divisors: 1 2 3 6 3385017017 6770034034 10155051051 20310102102