Search a number
-
+
1012113223 = 111910147947
BaseRepresentation
bin111100010100111…
…001111101000111
32121112110200022221
4330110321331013
54033100110343
6244233033211
734036551262
oct7424717507
92545420287
101012113223
1147a347710
12242b55807
131318bb884
14985c1cd9
155dcc55ed
hex3c539f47

1012113223 has 16 divisors (see below), whose sum is σ = 1173767040. Its totient is φ = 863028000.

The previous prime is 1012113211. The next prime is 1012113227. The reversal of 1012113223 is 3223112101.

It is a cyclic number.

It is not a de Polignac number, because 1012113223 - 25 = 1012113191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012113197 and 1012113206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012113227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865 + ... + 45082.

It is an arithmetic number, because the mean of its divisors is an integer number (73360440).

Almost surely, 21012113223 is an apocalyptic number.

1012113223 is a deficient number, since it is larger than the sum of its proper divisors (161653817).

1012113223 is a wasteful number, since it uses less digits than its factorization.

1012113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48078.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1012113223 is about 31813.7269586573. The cubic root of 1012113223 is about 1004.0215464839.

Adding to 1012113223 its reverse (3223112101), we get a palindrome (4235225324).

The spelling of 1012113223 in words is "one billion, twelve million, one hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 11 19 101 209 1111 1919 21109 47947 527417 910993 4842647 10020923 53269117 92010293 1012113223