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11112020401 = 193118865909
BaseRepresentation
bin10100101100101001…
…11111100110110001
31001200102020010100011
422112110333212301
5140224134123101
65034345054521
7542236420636
oct122624774661
931612203304
1011112020401
11479249a439
1221a1487441
1310811b9501
14775b1018d
1545081a751
hex29653f9b1

11112020401 has 8 divisors (see below), whose sum is σ = 12074182400. Its totient is φ = 10187590320.

The previous prime is 11112020399. The next prime is 11112020419. The reversal of 11112020401 is 10402021111.

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 11112020401 - 21 = 11112020399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112020461) 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 7 ways as a sum of consecutive naturals, for example, 9432366 + ... + 9433543.

It is an arithmetic number, because the mean of its divisors is an integer number (1509272800).

Almost surely, 211112020401 is an apocalyptic number.

It is an amenable number.

11112020401 is a deficient number, since it is larger than the sum of its proper divisors (962161999).

11112020401 is a wasteful number, since it uses less digits than its factorization.

11112020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18865959.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11112020401 its reverse (10402021111), we get a palindrome (21514041512).

The spelling of 11112020401 in words is "eleven billion, one hundred twelve million, twenty thousand, four hundred one".

Divisors: 1 19 31 589 18865909 358452271 584843179 11112020401