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5315251630 = 2513314612861
BaseRepresentation
bin1001111001101000…
…00100110110101110
3111201102120202111111
410330310010312232
541341201023010
62235232142234
7245500615303
oct47464046656
914642522444
105315251630
112288359247
12104409797a
13669269710
14385cc50aa
1521197958a
hex13cd04dae

5315251630 has 64 divisors (see below), whose sum is σ = 10662575616. Its totient is φ = 1894464000.

The previous prime is 5315251621. The next prime is 5315251639. The reversal of 5315251630 is 361525135.

It is an interprime number because it is at equal distance from previous prime (5315251621) and next prime (5315251639).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 5315251592 and 5315251601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5315251639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1856400 + ... + 1859260.

It is an arithmetic number, because the mean of its divisors is an integer number (166602744).

Almost surely, 25315251630 is an apocalyptic number.

5315251630 is an abundant number, since it is smaller than the sum of its proper divisors (5347323986).

5315251630 is a wasteful number, since it uses less digits than its factorization.

5315251630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 5315251630 is about 72905.7722680447. The cubic root of 5315251630 is about 1745.1842160400.

Adding to 5315251630 its reverse (361525135), we get a palindrome (5676776765).

The spelling of 5315251630 in words is "five billion, three hundred fifteen million, two hundred fifty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 13 26 31 62 65 130 155 310 403 461 806 922 2015 2305 2861 4030 4610 5722 5993 11986 14291 14305 28582 28610 29965 37193 59930 71455 74386 88691 142910 177382 185783 185965 371566 371930 443455 886910 928915 1152983 1318921 1857830 2305966 2637842 5764915 6594605 11529830 13189210 17145973 34291946 40886551 81773102 85729865 171459730 204432755 408865510 531525163 1063050326 2657625815 5315251630