Search a number
-
+
5142145342 = 22571072671
BaseRepresentation
bin1001100100111111…
…01110100100111110
3111021100212001022111
410302133232210332
541012342122332
62210130004234
7241266341245
oct46237564476
914240761274
105142145342
1121a96749a4
12bb611667a
1363c43a569
1436ad0395c
15201683947
hex1327ee93e

5142145342 has 4 divisors (see below), whose sum is σ = 7713218016. Its totient is φ = 2571072670.

The previous prime is 5142145319. The next prime is 5142145381. The reversal of 5142145342 is 2435412415.

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, 1285536334 + ... + 1285536337.

It is an arithmetic number, because the mean of its divisors is an integer number (1928304504).

Almost surely, 25142145342 is an apocalyptic number.

5142145342 is a deficient number, since it is larger than the sum of its proper divisors (2571072674).

5142145342 is a wasteful number, since it uses less digits than its factorization.

5142145342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571072673.

The product of its digits is 19200, while the sum is 31.

The square root of 5142145342 is about 71708.7535939651. The cubic root of 5142145342 is about 1726.0291098775.

Adding to 5142145342 its reverse (2435412415), we get a palindrome (7577557757).

The spelling of 5142145342 in words is "five billion, one hundred forty-two million, one hundred forty-five thousand, three hundred forty-two".

Divisors: 1 2 2571072671 5142145342