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200000013 = 31074191487
BaseRepresentation
bin10111110101111…
…00001000001101
3111221100001102220
423322330020031
5402200000023
631502405553
74645654263
oct1372741015
9457301386
10200000013
11a2992a74
1256b908b9
1332587305
141c7c2433
15128593e3
hexbebc20d

200000013 has 16 divisors (see below), whose sum is σ = 269982720. Its totient is φ = 131683376.

The previous prime is 199999991. The next prime is 200000033. The reversal of 200000013 is 310000002.

It is a cyclic number.

It is not a de Polignac number, because 200000013 - 26 = 199999949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199999947 and 200000010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000033) 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, 133756 + ... + 135242.

It is an arithmetic number, because the mean of its divisors is an integer number (16873920).

Almost surely, 2200000013 is an apocalyptic number.

It is an amenable number.

200000013 is a deficient number, since it is larger than the sum of its proper divisors (69982707).

200000013 is a wasteful number, since it uses less digits than its factorization.

200000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 200000013 is about 14142.1360833504. The cubic root of 200000013 is about 584.8035603133.

Adding to 200000013 its reverse (310000002), we get a palindrome (510000015).

The spelling of 200000013 in words is "two hundred million, thirteen", and thus it is an aban number.

Divisors: 1 3 107 321 419 1257 1487 4461 44833 134499 159109 477327 623053 1869159 66666671 200000013