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5142052423 = 29631735421
BaseRepresentation
bin1001100100111110…
…10111111001000111
3111021100200022212001
410302133113321013
541012331134143
62210124010131
7241265503324
oct46237277107
914240608761
105142052423
1121a9611102
12bb6090947
1363c407191
1436acbbb4b
1520166614d
hex1327d7e47

5142052423 has 4 divisors (see below), whose sum is σ = 5143790808. Its totient is φ = 5140314040.

The previous prime is 5142052387. The next prime is 5142052453. The reversal of 5142052423 is 3242502415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3242502415 = 5648500483.

It is a cyclic number.

It is not a de Polignac number, because 5142052423 - 213 = 5142044231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5142052391 and 5142052400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142052453) 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, 864748 + ... + 870673.

It is an arithmetic number, because the mean of its divisors is an integer number (1285947702).

Almost surely, 25142052423 is an apocalyptic number.

5142052423 is a deficient number, since it is larger than the sum of its proper divisors (1738385).

5142052423 is a wasteful number, since it uses less digits than its factorization.

5142052423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738384.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 5142052423 is about 71708.1056994256. The cubic root of 5142052423 is about 1726.0187133177.

Adding to 5142052423 its reverse (3242502415), we get a palindrome (8384554838).

The spelling of 5142052423 in words is "five billion, one hundred forty-two million, fifty-two thousand, four hundred twenty-three".

Divisors: 1 2963 1735421 5142052423