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11122430203 = 15117360973
BaseRepresentation
bin10100101101111001…
…01101000011111011
31001201010210222220101
422112330231003323
5140234320231303
65035400140231
7542424045133
oct122674550373
931633728811
1011122430203
11479835a485
1221a4a67677
1310833c2761
1477725dac3
154516c4d1d
hex296f2d0fb

11122430203 has 4 divisors (see below), whose sum is σ = 11129792688. Its totient is φ = 11115067720.

The previous prime is 11122430173. The next prime is 11122430227. The reversal of 11122430203 is 30203422111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30203422111 = 107282274973.

It is a cyclic number.

It is not a de Polignac number, because 11122430203 - 229 = 10585559291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122430243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3678976 + ... + 3681997.

It is an arithmetic number, because the mean of its divisors is an integer number (2782448172).

Almost surely, 211122430203 is an apocalyptic number.

11122430203 is a deficient number, since it is larger than the sum of its proper divisors (7362485).

11122430203 is an equidigital number, since it uses as much as digits as its factorization.

11122430203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7362484.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11122430203 its reverse (30203422111), we get a palindrome (41325852314).

The spelling of 11122430203 in words is "eleven billion, one hundred twenty-two million, four hundred thirty thousand, two hundred three".

Divisors: 1 1511 7360973 11122430203