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11980189401 = 36616041447
BaseRepresentation
bin10110010100001001…
…10010111011011001
31010220220211200022120
423022010302323121
5144013412030101
65300441011453
7602610633615
oct131204627331
933826750276
1011980189401
115098560684
1223a4183b89
13118c01968b
14819142345
154a1b5ab36
hex2ca132ed9

11980189401 has 8 divisors (see below), whose sum is σ = 15997754304. Its totient is φ = 7974708720.

The previous prime is 11980189343. The next prime is 11980189433. The reversal of 11980189401 is 10498108911.

It is a happy number.

11980189401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11980189401 - 215 = 11980156633 is a prime.

It is a super-3 number, since 3×119801894013 (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11980189201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018741 + ... + 3022706.

It is an arithmetic number, because the mean of its divisors is an integer number (1999719288).

Almost surely, 211980189401 is an apocalyptic number.

It is an amenable number.

11980189401 is a deficient number, since it is larger than the sum of its proper divisors (4017564903).

11980189401 is an equidigital number, since it uses as much as digits as its factorization.

11980189401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042111.

The product of its (nonzero) digits is 20736, while the sum is 42.

The spelling of 11980189401 in words is "eleven billion, nine hundred eighty million, one hundred eighty-nine thousand, four hundred one".

Divisors: 1 3 661 1983 6041447 18124341 3993396467 11980189401