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11201019979 = 229429711383
BaseRepresentation
bin10100110111010001…
…00000000001001011
31001220121200202210211
422123220200001023
5140414430114404
65051244421551
7544400045632
oct123350400113
931817622724
1011201019979
114828758106
1222072478b7
13109677ac96
1478387a519
1545854ab04
hex29ba2004b

11201019979 has 8 divisors (see below), whose sum is σ = 11253539360. Its totient is φ = 11148532416.

The previous prime is 11201019911. The next prime is 11201019997. The reversal of 11201019979 is 97991010211.

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 11201019979 - 221 = 11198922827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201013979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978322 + ... + 989704.

It is an arithmetic number, because the mean of its divisors is an integer number (1406692420).

Almost surely, 211201019979 is an apocalyptic number.

11201019979 is a deficient number, since it is larger than the sum of its proper divisors (52519381).

11201019979 is a wasteful number, since it uses less digits than its factorization.

11201019979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15909.

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 11201019979 in words is "eleven billion, two hundred one million, nineteen thousand, nine hundred seventy-nine".

Divisors: 1 229 4297 11383 984013 2606707 48912751 11201019979