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20342432411 = 72906061773
BaseRepresentation
bin10010111100100000…
…001110001010011011
31221111200212122012122
4102330200032022123
5313130130314121
613202320531455
71320050552060
oct227440161233
957450778178
1020342432411
118699855614
123b38780b8b
131bc2611472
14dad982c67
157e0d5c5ab
hex4bc80e29b

20342432411 has 4 divisors (see below), whose sum is σ = 23248494192. Its totient is φ = 17436370632.

The previous prime is 20342432359. The next prime is 20342432413. The reversal of 20342432411 is 11423424302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20342432411 - 26 = 20342432347 is a prime.

It is a super-2 number, since 2×203424324112 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20342432413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453030880 + ... + 1453030893.

It is an arithmetic number, because the mean of its divisors is an integer number (5812123548).

Almost surely, 220342432411 is an apocalyptic number.

20342432411 is a deficient number, since it is larger than the sum of its proper divisors (2906061781).

20342432411 is an equidigital number, since it uses as much as digits as its factorization.

20342432411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906061780.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20342432411 its reverse (11423424302), we get a palindrome (31765856713).

The spelling of 20342432411 in words is "twenty billion, three hundred forty-two million, four hundred thirty-two thousand, four hundred eleven".

Divisors: 1 7 2906061773 20342432411