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17012013320 = 235946144953
BaseRepresentation
bin11111101011111111…
…01011100100001000
31121220121002211002102
433311333223210020
5234320033411240
611452030252532
71141400504321
oct176577534410
947817084072
1017012013320
11723a924445
123369357148
1317b163b493
14b75529448
1569879b815
hex3f5feb908

17012013320 has 32 divisors (see below), whose sum is σ = 38281927320. Its totient is φ = 6803934720.

The previous prime is 17012013287. The next prime is 17012013323. The reversal of 17012013320 is 2331021071.

It can be written as a sum of positive squares in 4 ways, for example, as 16973399524 + 38613796 = 130282^2 + 6214^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 17012013292 and 17012013301.

It is not an unprimeable number, because it can be changed into a prime (17012013323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355964 + ... + 400916.

Almost surely, 217012013320 is an apocalyptic number.

17012013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17012013320 is an abundant number, since it is smaller than the sum of its proper divisors (21269914000).

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

17012013320 is a wasteful number, since it uses less digits than its factorization.

17012013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54425 (or 54421 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 17012013320 its reverse (2331021071), we get a palindrome (19343034391).

The spelling of 17012013320 in words is "seventeen billion, twelve million, thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 9461 18922 37844 44953 47305 75688 89906 94610 179812 189220 224765 359624 378440 449530 899060 1798120 425300333 850600666 1701201332 2126501665 3402402664 4253003330 8506006660 17012013320