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20342413142 = 210171206571
BaseRepresentation
bin10010111100100000…
…001001011101010110
31221111200211122202222
4102330200021131112
5313130124210032
613202320302342
71320050441642
oct227440113526
957450748688
1020342413142
118699842097
123b387719b2
131bc260576c
14dad979c22
157e0d56a12
hex4bc809756

20342413142 has 4 divisors (see below), whose sum is σ = 30513619716. Its totient is φ = 10171206570.

The previous prime is 20342413127. The next prime is 20342413199. The reversal of 20342413142 is 24131424302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5085603284 + ... + 5085603287.

It is an arithmetic number, because the mean of its divisors is an integer number (7628404929).

Almost surely, 220342413142 is an apocalyptic number.

20342413142 is a deficient number, since it is larger than the sum of its proper divisors (10171206574).

20342413142 is a wasteful number, since it uses less digits than its factorization.

20342413142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171206573.

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

Adding to 20342413142 its reverse (24131424302), we get a palindrome (44473837444).

The spelling of 20342413142 in words is "twenty billion, three hundred forty-two million, four hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 10171206571 20342413142