Search a number
-
+
102201220112 = 2431428348109
BaseRepresentation
bin101111100101110101…
…0101101110000010000
3100202210120121220120112
41133023222231300100
53133302003020422
6114541154500452
710245433015565
oct1371352556020
9322716556515
10102201220112
113a385a19382
1217982b94728
13983987a554
144d3753886c
1529d25e7ee2
hex17cbaadc10

102201220112 has 40 divisors (see below), whose sum is σ = 204454414080. Its totient is φ = 49439629440.

The previous prime is 102201220097. The next prime is 102201220117. The reversal of 102201220112 is 211022102201.

It is not an unprimeable number, because it can be changed into a prime (102201220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100314 + ... + 2148422.

It is an arithmetic number, because the mean of its divisors is an integer number (5111360352).

Almost surely, 2102201220112 is an apocalyptic number.

It is an amenable number.

102201220112 is an abundant number, since it is smaller than the sum of its proper divisors (102253193968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201220112 is a wasteful number, since it uses less digits than its factorization.

102201220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52431 (or 52425 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102201220112 its reverse (211022102201), we get a palindrome (313223322313).

The spelling of 102201220112 in words is "one hundred two billion, two hundred one million, two hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 62 124 248 496 4283 8566 17132 34264 48109 68528 96218 132773 192436 265546 384872 531092 769744 1062184 1491379 2124368 2982758 5965516 11931032 23862064 206050847 412101694 824203388 1648406776 3296813552 6387576257 12775152514 25550305028 51100610056 102201220112