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20310130112 = 261718667399
BaseRepresentation
bin10010111010100100…
…111111110111000000
31221102110002111210012
4102322210333313000
5313043343130422
613155204324052
71316206154216
oct227244776700
957373074705
1020310130112
1186825a23a8
123b299a3628
131bb8a1158c
14da9574cb6
157dd0cb4e2
hex4ba93fdc0

20310130112 has 28 divisors (see below), whose sum is σ = 42673676400. Its totient is φ = 9557707776.

The previous prime is 20310130111. The next prime is 20310130117. The reversal of 20310130112 is 21103101302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310130111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9332612 + ... + 9334787.

Almost surely, 220310130112 is an apocalyptic number.

It is an amenable number.

20310130112 is an abundant number, since it is smaller than the sum of its proper divisors (22363546288).

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

20310130112 is a wasteful number, since it uses less digits than its factorization.

20310130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18667428 (or 18667418 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20310130112 its reverse (21103101302), we get a palindrome (41413231414).

The spelling of 20310130112 in words is "twenty billion, three hundred ten million, one hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 18667399 37334798 74669596 149339192 298678384 317345783 597356768 634691566 1194713536 1269383132 2538766264 5077532528 10155065056 20310130112