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5144369539 = 7172455909
BaseRepresentation
bin1001100101010000…
…01101100110000011
3111021112001001100011
410302220031212003
541013424311124
62210245405351
7241324263631
oct46250154603
914245031304
105144369539
1121aa953a81
12bb6a09857
1363ca38a5a
1436b322351
15201972994
hex132a0d983

5144369539 has 4 divisors (see below), whose sum is σ = 5216825520. Its totient is φ = 5071913560.

The previous prime is 5144369519. The next prime is 5144369551. The reversal of 5144369539 is 9359634415.

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 5144369539 - 219 = 5143845251 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5144369492 and 5144369501.

It is not an unprimeable number, because it can be changed into a prime (5144369509) 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, 36227884 + ... + 36228025.

It is an arithmetic number, because the mean of its divisors is an integer number (1304206380).

Almost surely, 25144369539 is an apocalyptic number.

5144369539 is a deficient number, since it is larger than the sum of its proper divisors (72455981).

5144369539 is an equidigital number, since it uses as much as digits as its factorization.

5144369539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72455980.

The product of its digits is 1749600, while the sum is 49.

The square root of 5144369539 is about 71724.2604632491. The cubic root of 5144369539 is about 1726.2779343876.

The spelling of 5144369539 in words is "five billion, one hundred forty-four million, three hundred sixty-nine thousand, five hundred thirty-nine".

Divisors: 1 71 72455909 5144369539