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13022420423 = 109119471747
BaseRepresentation
bin11000010000011001…
…00101110111000111
31020121112222111111112
430020030211313013
5203132214423143
65552111355235
7640464514205
oct141014456707
936545874445
1013022420423
1155828a9231
122635222b1b
1312c6c21a1c
148b7724075
155133cee18
hex308325dc7

13022420423 has 4 divisors (see below), whose sum is σ = 13141892280. Its totient is φ = 12902948568.

The previous prime is 13022420381. The next prime is 13022420443. The reversal of 13022420423 is 32402422031.

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 13022420423 - 28 = 13022420167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022420443) 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, 59735765 + ... + 59735982.

It is an arithmetic number, because the mean of its divisors is an integer number (3285473070).

Almost surely, 213022420423 is an apocalyptic number.

13022420423 is a deficient number, since it is larger than the sum of its proper divisors (119471857).

13022420423 is a wasteful number, since it uses less digits than its factorization.

13022420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119471856.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 13022420423 its reverse (32402422031), we get a palindrome (45424842454).

The spelling of 13022420423 in words is "thirteen billion, twenty-two million, four hundred twenty thousand, four hundred twenty-three".

Divisors: 1 109 119471747 13022420423