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12137403530 = 257173391479
BaseRepresentation
bin10110100110111001…
…00001010010001010
31011022212122222120002
423103130201102022
5144324133403110
65324214403002
7606530141060
oct132334412212
934285588502
1012137403530
11516927aa0a
122428960462
1311b57730a5
14831d88030
154b0862aa5
hex2d372148a

12137403530 has 16 divisors (see below), whose sum is σ = 24968373120. Its totient is φ = 4161395472.

The previous prime is 12137403529. The next prime is 12137403533. The reversal of 12137403530 is 3530473121.

It is a junction number, because it is equal to n+sod(n) for n = 12137403493 and 12137403502.

It is not an unprimeable number, because it can be changed into a prime (12137403533) 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, 86695670 + ... + 86695809.

It is an arithmetic number, because the mean of its divisors is an integer number (1560523320).

Almost surely, 212137403530 is an apocalyptic number.

12137403530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12137403530 is an abundant number, since it is smaller than the sum of its proper divisors (12830969590).

12137403530 is a wasteful number, since it uses less digits than its factorization.

12137403530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173391493.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 12137403530 its reverse (3530473121), we get a palindrome (15667876651).

The spelling of 12137403530 in words is "twelve billion, one hundred thirty-seven million, four hundred three thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 173391479 346782958 866957395 1213740353 1733914790 2427480706 6068701765 12137403530