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51433054201 = 79651051319
BaseRepresentation
bin101111111001101001…
…100001111111111001
311220202110100212102101
4233321221201333321
51320313330213301
635343352503401
73500362514224
oct577151417771
9156673325371
1051433054201
111a8a3688971
129b749aab61
134b089226a9
1426bcba85bb
1515105b8701
hexbf9a61ff9

51433054201 has 4 divisors (see below), whose sum is σ = 52084105600. Its totient is φ = 50782002804.

The previous prime is 51433054187. The next prime is 51433054219. The reversal of 51433054201 is 10245033415.

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 51433054201 - 29 = 51433053689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51433054201.

It is not an unprimeable number, because it can be changed into a prime (51433054271) 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, 325525581 + ... + 325525738.

It is an arithmetic number, because the mean of its divisors is an integer number (13021026400).

Almost surely, 251433054201 is an apocalyptic number.

It is an amenable number.

51433054201 is a deficient number, since it is larger than the sum of its proper divisors (651051399).

51433054201 is an equidigital number, since it uses as much as digits as its factorization.

51433054201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651051398.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51433054201 its reverse (10245033415), we get a palindrome (61678087616).

The spelling of 51433054201 in words is "fifty-one billion, four hundred thirty-three million, fifty-four thousand, two hundred one".

Divisors: 1 79 651051319 51433054201