Search a number
-
+
5131523103 = 371158721089
BaseRepresentation
bin1001100011101110…
…01101010000011111
3111020121212101100020
410301313031100133
541002132214403
62205110203223
7241110140520
oct46167152037
914217771306
105131523103
1121a367a293
12bb2653513
1363a18b705
1436973a847
15200786453
hex131dcd41f

5131523103 has 16 divisors (see below), whose sum is σ = 7820509440. Its totient is φ = 2931906816.

The previous prime is 5131523063. The next prime is 5131523119. The reversal of 5131523103 is 3013251315.

It is not a de Polignac number, because 5131523103 - 26 = 5131523039 is a prime.

It is a super-3 number, since 3×51315231033 (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131523143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232783 + ... + 253871.

It is an arithmetic number, because the mean of its divisors is an integer number (488781840).

Almost surely, 25131523103 is an apocalyptic number.

5131523103 is a deficient number, since it is larger than the sum of its proper divisors (2688986337).

5131523103 is a wasteful number, since it uses less digits than its factorization.

5131523103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32686.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 5131523103 is about 71634.6501561919. The cubic root of 5131523103 is about 1724.8397922207.

Adding to 5131523103 its reverse (3013251315), we get a palindrome (8144774418).

The spelling of 5131523103 in words is "five billion, one hundred thirty-one million, five hundred twenty-three thousand, one hundred three".

Divisors: 1 3 7 21 11587 21089 34761 63267 81109 147623 243327 442869 244358243 733074729 1710507701 5131523103