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979951000613 = 13534337327941
BaseRepresentation
bin11100100001010011010…
…00011001110000100101
310110200102110200201201012
432100221220121300211
5112023414424004423
62030103330512005
7130541046032534
oct16205150316045
93420373621635
10979951000613
1134865a879a12
12139b07735605
13715416c60b0
143560384831b
151a75656c078
hexe429a19c25

979951000613 has 16 divisors (see below), whose sum is σ = 1075494971376. Its totient is φ = 887295452160.

The previous prime is 979951000603. The next prime is 979951000673. The reversal of 979951000613 is 316000159979.

979951000613 = 6999822 + 6999832.

It can be written as a sum of positive squares in 8 ways, for example, as 76506453604 + 903444547009 = 276598^2 + 950497^2 .

It is not a de Polignac number, because 979951000613 - 210 = 979950999589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979951000603) 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 15 ways as a sum of consecutive naturals, for example, 2824223 + ... + 3152163.

It is an arithmetic number, because the mean of its divisors is an integer number (67218435711).

Almost surely, 2979951000613 is an apocalyptic number.

979951000613 is the 699983-rd centered square number.

It is an amenable number.

979951000613 is a deficient number, since it is larger than the sum of its proper divisors (95543970763).

979951000613 is a wasteful number, since it uses less digits than its factorization.

979951000613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332344.

The product of its (nonzero) digits is 459270, while the sum is 50.

The spelling of 979951000613 in words is "nine hundred seventy-nine billion, nine hundred fifty-one million, six hundred thirteen", and thus it is an aban number.

Divisors: 1 13 53 689 4337 56381 229861 327941 2988193 4263233 17380873 225951349 1422280117 18489641521 75380846201 979951000613