Search a number
-
+
200161513 = 316456823
BaseRepresentation
bin10111110111000…
…11100011101001
3111221122020222101
423323203203221
5402220132023
631510053401
74650226156
oct1373434351
9457566871
10200161513
11a2a93342
125704a261
1332612986
141c82522d
151288c1ad
hexbee38e9

200161513 has 4 divisors (see below), whose sum is σ = 206618368. Its totient is φ = 193704660.

The previous prime is 200161499. The next prime is 200161531. The reversal of 200161513 is 315161002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200161513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200161573) 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 3 ways as a sum of consecutive naturals, for example, 3228381 + ... + 3228442.

It is an arithmetic number, because the mean of its divisors is an integer number (51654592).

Almost surely, 2200161513 is an apocalyptic number.

It is an amenable number.

200161513 is a deficient number, since it is larger than the sum of its proper divisors (6456855).

200161513 is an equidigital number, since it uses as much as digits as its factorization.

200161513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456854.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 200161513 is about 14147.8448182046. The cubic root of 200161513 is about 584.9609275776.

The spelling of 200161513 in words is "two hundred million, one hundred sixty-one thousand, five hundred thirteen".

Divisors: 1 31 6456823 200161513