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989111201101 = 10975471202387
BaseRepresentation
bin11100110010010111001…
…11110010110101001101
310111120001212020010110221
432121023213302311031
5112201144431413401
62034220313431341
7131314045326442
oct16311347626515
93446055203427
10989111201101
1135153053a141
1213b84340b551
137237140717a
1435c322419c9
151aae08407a1
hexe64b9f2d4d

989111201101 has 8 divisors (see below), whose sum is σ = 998318708640. Its totient is φ = 979906113648.

The previous prime is 989111201069. The next prime is 989111201137. The reversal of 989111201101 is 101102111989.

It is a happy number.

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 989111201101 - 25 = 989111201069 is a prime.

It is a super-2 number, since 2×9891112011012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989111201191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221430 + ... + 1423816.

It is an arithmetic number, because the mean of its divisors is an integer number (124789838580).

Almost surely, 2989111201101 is an apocalyptic number.

It is an amenable number.

989111201101 is a deficient number, since it is larger than the sum of its proper divisors (9207507539).

989111201101 is a wasteful number, since it uses less digits than its factorization.

989111201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210043.

The product of its (nonzero) digits is 1296, while the sum is 34.

The spelling of 989111201101 in words is "nine hundred eighty-nine billion, one hundred eleven million, two hundred one thousand, one hundred one".

Divisors: 1 109 7547 822623 1202387 131060183 9074414689 989111201101