Search a number
-
+
102201222242 = 2719219379837
BaseRepresentation
bin101111100101110101…
…0101110010001100010
3100202210120122000111102
41133023222232101202
53133302003102432
6114541154514402
710245433025030
oct1371352562142
9322716560442
10102201222242
113a385a1aa39
1217982b95a02
13983987b502
144d37539550
1529d25e8962
hex17cbaae462

102201222242 has 16 divisors (see below), whose sum is σ = 175211672640. Its totient is φ = 43798129488.

The previous prime is 102201222229. The next prime is 102201222257. The reversal of 102201222242 is 242222102201.

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, 79148 + ... + 458984.

It is an arithmetic number, because the mean of its divisors is an integer number (10950729540).

Almost surely, 2102201222242 is an apocalyptic number.

102201222242 is a deficient number, since it is larger than the sum of its proper divisors (73010450398).

102201222242 is a wasteful number, since it uses less digits than its factorization.

102201222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399065.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102201222242 its reverse (242222102201), we get a palindrome (344423324443).

The spelling of 102201222242 in words is "one hundred two billion, two hundred one million, two hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 7 14 19219 38438 134533 269066 379837 759674 2658859 5317718 7300087303 14600174606 51100611121 102201222242