Search a number
-
+
1223232013000 = 23536731817581
BaseRepresentation
bin10001110011001110010…
…011110100001011001000
311022221101010211122120101
4101303032103310023020
5130020134343404000
62333540043135144
7154242554361244
oct21631623641310
94287333748511
101223232013000
11431851644338
121790a1b144b4
138b47275c46a
14432c1b6d424
1521c44579e6a
hex11cce4f42c8

1223232013000 has 64 divisors (see below), whose sum is σ = 2866617627120. Its totient is φ = 488565504000.

The previous prime is 1223232012991. The next prime is 1223232013007. The reversal of 1223232013000 is 3102323221.

It can be written as a sum of positive squares in 8 ways, for example, as 135437248324 + 1087794764676 = 368018^2 + 1042974^2 .

It is not an unprimeable number, because it can be changed into a prime (1223232013007) 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 15 ways as a sum of consecutive naturals, for example, 235791 + ... + 1581790.

Almost surely, 21223232013000 is an apocalyptic number.

1223232013000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223232013000 is an abundant number, since it is smaller than the sum of its proper divisors (1643385614120).

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

1223232013000 is a wasteful number, since it uses less digits than its factorization.

1223232013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818275 (or 1818261 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1223232013000 its reverse (3102323221), we get a palindrome (1226334336221).

The spelling of 1223232013000 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-two million, thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 673 1000 1346 2692 3365 5384 6730 13460 16825 26920 33650 67300 84125 134600 168250 336500 673000 1817581 3635162 7270324 9087905 14540648 18175810 36351620 45439525 72703240 90879050 181758100 227197625 363516200 454395250 908790500 1223232013 1817581000 2446464026 4892928052 6116160065 9785856104 12232320130 24464640260 30580800325 48929280520 61161600650 122323201300 152904001625 244646402600 305808003250 611616006500 1223232013000