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5131000010 = 251737977949
BaseRepresentation
bin1001100011101010…
…01101100011001010
3111020120212210210102
410301311031203022
541002014000020
62205051045402
7241102531463
oct46165154312
914216783712
105131000010
1121a3352284
12bb2440862
1363a0375a6
14369641d6a
152006d1475
hex131d4d8ca

5131000010 has 32 divisors (see below), whose sum is σ = 9782888400. Its totient is φ = 1930918912.

The previous prime is 5131000003. The next prime is 5131000019. The reversal of 5131000010 is 100001315.

It can be written as a sum of positive squares in 8 ways, for example, as 1249834609 + 3881165401 = 35353^2 + 62299^2 .

It is a super-2 number, since 2×51310000102 = 52654322205240000200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5130999955 and 5131000000.

It is not an unprimeable number, because it can be changed into a prime (5131000019) 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, 641516 + ... + 649464.

Almost surely, 25131000010 is an apocalyptic number.

5131000010 is a deficient number, since it is larger than the sum of its proper divisors (4651888390).

5131000010 is a wasteful number, since it uses less digits than its factorization.

5131000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 5131000010 is about 71630.9989459871. The cubic root of 5131000010 is about 1724.7811817937.

Adding to 5131000010 its reverse (100001315), we get a palindrome (5231001325).

The spelling of 5131000010 in words is "five billion, one hundred thirty-one million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 17 34 85 170 3797 7594 7949 15898 18985 37970 39745 64549 79490 129098 135133 270266 322745 645490 675665 1351330 30182353 60364706 150911765 301823530 513100001 1026200002 2565500005 5131000010