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5131908260 = 225833091511
BaseRepresentation
bin1001100011110001…
…01011010010100100
3111020122120221200022
410301320223102210
541002232031020
62205122334312
7241113333443
oct46170532244
914218527608
105131908260
1121a39126a6
12bb27ba398
1363a294b0b
143697dad5a
15200810625
hex131e2b4a4

5131908260 has 24 divisors (see below), whose sum is σ = 10906854336. Its totient is φ = 2028030560.

The previous prime is 5131908259. The next prime is 5131908293. The reversal of 5131908260 is 628091315.

It is a self number, because there is not a number n which added to its sum of digits gives 5131908260.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544096 + ... + 1547415.

It is an arithmetic number, because the mean of its divisors is an integer number (454452264).

Almost surely, 25131908260 is an apocalyptic number.

It is an amenable number.

5131908260 is an abundant number, since it is smaller than the sum of its proper divisors (5774946076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5131908260 is a wasteful number, since it uses less digits than its factorization.

5131908260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091603 (or 3091601 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 5131908260 is about 71637.3384486051. The cubic root of 5131908260 is about 1724.8829449381.

Adding to 5131908260 its reverse (628091315), we get a palindrome (5759999575).

The spelling of 5131908260 in words is "five billion, one hundred thirty-one million, nine hundred eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 3091511 6183022 12366044 15457555 30915110 61830220 256595413 513190826 1026381652 1282977065 2565954130 5131908260