Search a number
-
+
1214223043 = 11377142019
BaseRepresentation
bin100100001011111…
…1001001011000011
310010121202220212211
41020113321023003
54441320114133
6320253002551
742042503605
oct11027711303
93117686784
101214223043
11573440820
1229a783457
13164734297
14b7393175
15718e9bcd
hex485f92c3

1214223043 has 16 divisors (see below), whose sum is σ = 1379600640. Its totient is φ = 1058853600.

The previous prime is 1214223037. The next prime is 1214223071. The reversal of 1214223043 is 3403224121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1214223043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214223643) 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, 7888 + ... + 49906.

It is an arithmetic number, because the mean of its divisors is an integer number (86225040).

Almost surely, 21214223043 is an apocalyptic number.

1214223043 is a deficient number, since it is larger than the sum of its proper divisors (165377597).

1214223043 is a wasteful number, since it uses less digits than its factorization.

1214223043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42138.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1214223043 is about 34845.7033649774. The cubic root of 1214223043 is about 1066.8404899124.

Adding to 1214223043 its reverse (3403224121), we get a palindrome (4617447164).

The spelling of 1214223043 in words is "one billion, two hundred fourteen million, two hundred twenty-three thousand, forty-three".

Divisors: 1 11 37 71 407 781 2627 28897 42019 462209 1554703 2983349 17101733 32816839 110383913 1214223043