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12000013130 = 257171428759
BaseRepresentation
bin10110010110100000…
…11010101101001010
31010222022010211100202
423023100122231022
5144034000410010
65302425532202
7603241300010
oct131320325512
933868124322
1012000013130
1150a8770526
1223aa944062
13119316a7b1
1481ba228b0
154a37746a5
hex2cb41ab4a

12000013130 has 16 divisors (see below), whose sum is σ = 24685741440. Its totient is φ = 4114290192.

The previous prime is 12000013097. The next prime is 12000013171. The reversal of 12000013130 is 3131000021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85714310 + ... + 85714449.

It is an arithmetic number, because the mean of its divisors is an integer number (1542858840).

Almost surely, 212000013130 is an apocalyptic number.

12000013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000013130 is an abundant number, since it is smaller than the sum of its proper divisors (12685728310).

12000013130 is a wasteful number, since it uses less digits than its factorization.

12000013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171428773.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 12000013130 its reverse (3131000021), we get a palindrome (15131013151).

The spelling of 12000013130 in words is "twelve billion, thirteen thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 171428759 342857518 857143795 1200001313 1714287590 2400002626 6000006565 12000013130