Search a number
-
+
204351751297 = 236638635919
BaseRepresentation
bin1011111001010001010…
…0000100010010000001
3201112110121212120000101
42332110110010102001
511322003022020142
6233513343122401
720523012140401
oct2762424042201
9645417776011
10204351751297
1179735266381
1233730ba3401
1316368a8ac45
149c6803a801
1554b052c0b7
hex2f94504481

204351751297 has 4 divisors (see below), whose sum is σ = 204360410880. Its totient is φ = 204343091716.

The previous prime is 204351751283. The next prime is 204351751321. The reversal of 204351751297 is 792157153402.

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 not a de Polignac number, because 204351751297 - 231 = 202204267649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204351755297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4294297 + ... + 4341622.

It is an arithmetic number, because the mean of its divisors is an integer number (51090102720).

Almost surely, 2204351751297 is an apocalyptic number.

It is an amenable number.

204351751297 is a deficient number, since it is larger than the sum of its proper divisors (8659583).

204351751297 is an equidigital number, since it uses as much as digits as its factorization.

204351751297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659582.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 204351751297 in words is "two hundred four billion, three hundred fifty-one million, seven hundred fifty-one thousand, two hundred ninety-seven".

Divisors: 1 23663 8635919 204351751297