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20310102002 = 210459970939
BaseRepresentation
bin10010111010100100…
…111000111111110010
31221102110001002020002
4102322210320333302
5313043341231002
613155203550002
71316206006241
oct227244707762
957373032202
1020310102002
118682583273
123b2998b302
131bb8a01848
14da9568958
157dd0c3002
hex4ba938ff2

20310102002 has 8 divisors (see below), whose sum is σ = 30468097200. Its totient is φ = 10154069604.

The previous prime is 20310101969. The next prime is 20310102013. The reversal of 20310102002 is 20020101302.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464552 + ... + 506387.

It is an arithmetic number, because the mean of its divisors is an integer number (3808512150).

Almost surely, 220310102002 is an apocalyptic number.

20310102002 is a deficient number, since it is larger than the sum of its proper divisors (10157995198).

20310102002 is a wasteful number, since it uses less digits than its factorization.

20310102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981400.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20310102002 its reverse (20020101302), we get a palindrome (40330203304).

The spelling of 20310102002 in words is "twenty billion, three hundred ten million, one hundred two thousand, two".

Divisors: 1 2 10459 20918 970939 1941878 10155051001 20310102002