Search a number
-
+
102445200515 = 572927005729
BaseRepresentation
bin101111101101000110…
…1011011010010000011
3100210102120201101202202
41133122031123102003
53134301432404030
6115021312103415
710254454556660
oct1373215332203
9323376641682
10102445200515
113a4a0710479
1217a30834b6b
139878293058
144d5bac8a67
1529e8c3d745
hex17da35b483

102445200515 has 8 divisors (see below), whose sum is σ = 140496275040. Its totient is φ = 70248137472.

The previous prime is 102445200493. The next prime is 102445200527. The reversal of 102445200515 is 515002544201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102445200515 - 28 = 102445200259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463502830 + ... + 1463502899.

It is an arithmetic number, because the mean of its divisors is an integer number (17562034380).

Almost surely, 2102445200515 is an apocalyptic number.

102445200515 is a deficient number, since it is larger than the sum of its proper divisors (38051074525).

102445200515 is an equidigital number, since it uses as much as digits as its factorization.

102445200515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927005741.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 102445200515 its reverse (515002544201), we get a palindrome (617447744716).

The spelling of 102445200515 in words is "one hundred two billion, four hundred forty-five million, two hundred thousand, five hundred fifteen".

Divisors: 1 5 7 35 2927005729 14635028645 20489040103 102445200515