Search a number
-
+
99455881201 = 175850345953
BaseRepresentation
bin101110010100000001…
…0000100111111110001
3100111201020210020120121
41130220002010333301
53112141201144301
6113404524410241
710120416020215
oct1345002047761
9314636706517
1099455881201
11391a7285646
12173376a6981
1394bcb7b161
144b56aa2945
1528c15a93a1
hex1728084ff1

99455881201 has 4 divisors (see below), whose sum is σ = 105306227172. Its totient is φ = 93605535232.

The previous prime is 99455881199. The next prime is 99455881249. The reversal of 99455881201 is 10218855499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10218855499 = 17601109147.

It can be written as a sum of positive squares in 2 ways, for example, as 39014150400 + 60441730801 = 197520^2 + 245849^2 .

It is a cyclic number.

It is not a de Polignac number, because 99455881201 - 21 = 99455881199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99455888201) 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, 2925172960 + ... + 2925172993.

It is an arithmetic number, because the mean of its divisors is an integer number (26326556793).

Almost surely, 299455881201 is an apocalyptic number.

It is an amenable number.

99455881201 is a deficient number, since it is larger than the sum of its proper divisors (5850345971).

99455881201 is a wasteful number, since it uses less digits than its factorization.

99455881201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850345970.

The product of its (nonzero) digits is 1036800, while the sum is 52.

The spelling of 99455881201 in words is "ninety-nine billion, four hundred fifty-five million, eight hundred eighty-one thousand, two hundred one".

Divisors: 1 17 5850345953 99455881201