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11283138427 = 119831043479
BaseRepresentation
bin10101000001000011…
…10000011101111011
31002010100012211010211
422200201300131323
5141101440412202
65103340451551
7546415044211
oct124041603573
932110184124
1011283138427
1148700459a0
12222a849bb7
1310aa7a0692
14790734cb1
1546086c1d7
hex2a087077b

11283138427 has 8 divisors (see below), whose sum is σ = 12321411840. Its totient is φ = 10246953960.

The previous prime is 11283138413. The next prime is 11283138437. The reversal of 11283138427 is 72483138211.

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 11283138427 - 231 = 9135654779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11283138427.

It is not an unprimeable number, because it can be changed into a prime (11283138437) 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, 510927 + ... + 532552.

It is an arithmetic number, because the mean of its divisors is an integer number (1540176480).

Almost surely, 211283138427 is an apocalyptic number.

11283138427 is a deficient number, since it is larger than the sum of its proper divisors (1038273413).

11283138427 is a wasteful number, since it uses less digits than its factorization.

11283138427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044473.

The product of its digits is 64512, while the sum is 40.

The spelling of 11283138427 in words is "eleven billion, two hundred eighty-three million, one hundred thirty-eight thousand, four hundred twenty-seven".

Divisors: 1 11 983 10813 1043479 11478269 1025739857 11283138427