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11220231233 = 311949185707
BaseRepresentation
bin10100111001100011…
…10010010001000001
31001221221211210200202
422130301302101001
5140434334344413
65053212254545
7545022251261
oct123461622101
931857753622
1011220231233
114838589882
122211771455
13109a7463a3
1478623b7a1
1545a092e58
hex29cc72441

11220231233 has 8 divisors (see below), whose sum is σ = 11588179200. Its totient is φ = 10852658640.

The previous prime is 11220231229. The next prime is 11220231263. The reversal of 11220231233 is 33213202211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220231233 - 22 = 11220231229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220231223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32435 + ... + 153272.

It is an arithmetic number, because the mean of its divisors is an integer number (1448522400).

Almost surely, 211220231233 is an apocalyptic number.

It is an amenable number.

11220231233 is a deficient number, since it is larger than the sum of its proper divisors (367947967).

11220231233 is a wasteful number, since it uses less digits than its factorization.

11220231233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187687.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11220231233 its reverse (33213202211), we get a palindrome (44433433444).

The spelling of 11220231233 in words is "eleven billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 31 1949 60419 185707 5756917 361942943 11220231233