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5143165231 = 7019732749
BaseRepresentation
bin1001100101000111…
…00111100100101111
3111021102202212100011
410302203213210233
541013122241411
62210203514051
7241311116551
oct46243474457
914242685304
105143165231
1121aa201186
12bb6528927
1363c706849
1436b0cb4d1
152017d5c21
hex1328e792f

5143165231 has 4 divisors (see below), whose sum is σ = 5143905000. Its totient is φ = 5142425464.

The previous prime is 5143165189. The next prime is 5143165277. The reversal of 5143165231 is 1325613415.

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 5143165231 - 211 = 5143163183 is a prime.

It is a super-2 number, since 2×51431652312 = 52904297186734566722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5143165193 and 5143165202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143165931) 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, 359356 + ... + 373393.

It is an arithmetic number, because the mean of its divisors is an integer number (1285976250).

Almost surely, 25143165231 is an apocalyptic number.

5143165231 is a deficient number, since it is larger than the sum of its proper divisors (739769).

5143165231 is an equidigital number, since it uses as much as digits as its factorization.

5143165231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739768.

The product of its digits is 10800, while the sum is 31.

The square root of 5143165231 is about 71715.8645698426. The cubic root of 5143165231 is about 1726.1432154123.

Adding to 5143165231 its reverse (1325613415), we get a palindrome (6468778646).

The spelling of 5143165231 in words is "five billion, one hundred forty-three million, one hundred sixty-five thousand, two hundred thirty-one".

Divisors: 1 7019 732749 5143165231