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12432045311 = 717251416219
BaseRepresentation
bin10111001010000000…
…11111010011111111
31012002102002100002122
423211000133103333
5200430100422221
65413341513155
7620035433030
oct134500372377
935072070078
1012432045311
1152aa624714
1224ab5727bb
13123181603a
1485d164a87
154cb663eab
hex2e501f4ff

12432045311 has 16 divisors (see below), whose sum is σ = 15103791360. Its totient is φ = 9989232000.

The previous prime is 12432045253. The next prime is 12432045317. The reversal of 12432045311 is 11354023421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12432045311 - 214 = 12432028927 is a prime.

It is a super-2 number, since 2×124320453112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432045317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178241 + ... + 237978.

It is an arithmetic number, because the mean of its divisors is an integer number (943986960).

Almost surely, 212432045311 is an apocalyptic number.

12432045311 is a deficient number, since it is larger than the sum of its proper divisors (2671746049).

12432045311 is a wasteful number, since it uses less digits than its factorization.

12432045311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416494.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 12432045311 its reverse (11354023421), we get a palindrome (23786068732).

The spelling of 12432045311 in words is "twelve billion, four hundred thirty-two million, forty-five thousand, three hundred eleven".

Divisors: 1 7 17 119 251 1757 4267 29869 416219 2913533 7075723 49530061 104470969 731296783 1776006473 12432045311