Search a number
-
+
102021022222 = 2721041030839
BaseRepresentation
bin101111100000011101…
…1010100001000001110
3100202100000112220112121
41133000323110020032
53132414340202342
6114511240323154
710241114244400
oct1370073241016
9322300486477
10102021022222
113a2a3230aa9
12179327734ba
13980b437592
144d1b62cb70
1529c18a1067
hex17c0ed420e

102021022222 has 12 divisors (see below), whose sum is σ = 178016273640. Its totient is φ = 43723295196.

The previous prime is 102021022171. The next prime is 102021022249. The reversal of 102021022222 is 222220120201.

It is a junction number, because it is equal to n+sod(n) for n = 102021022196 and 102021022205.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 520515322 + ... + 520515517.

It is an arithmetic number, because the mean of its divisors is an integer number (14834689470).

Almost surely, 2102021022222 is an apocalyptic number.

102021022222 is a deficient number, since it is larger than the sum of its proper divisors (75995251418).

102021022222 is a wasteful number, since it uses less digits than its factorization.

102021022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041030855 (or 1041030848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102021022222 its reverse (222220120201), we get a palindrome (324241142423).

The spelling of 102021022222 in words is "one hundred two billion, twenty-one million, twenty-two thousand, two hundred twenty-two".

Divisors: 1 2 7 14 49 98 1041030839 2082061678 7287215873 14574431746 51010511111 102021022222