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27554128941 = 330786334667
BaseRepresentation
bin11001101010010110…
…101010010000101101
32122010021221210001010
4121222112222100231
5422412324111231
620354100335433
71663550142303
oct315226522055
978107853033
1027554128941
111075a650999
12540b9a4579
1327a1738511
141495688273
15ab4041546
hex66a5aa42d

27554128941 has 16 divisors (see below), whose sum is σ = 36902283264. Its totient is φ = 18287840304.

The previous prime is 27554128897. The next prime is 27554128949. The reversal of 27554128941 is 14982145572.

It is not a de Polignac number, because 27554128941 - 214 = 27554112557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27554128949) 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 15 ways as a sum of consecutive naturals, for example, 777490 + ... + 812156.

It is an arithmetic number, because the mean of its divisors is an integer number (2306392704).

Almost surely, 227554128941 is an apocalyptic number.

It is an amenable number.

27554128941 is a deficient number, since it is larger than the sum of its proper divisors (9348154323).

27554128941 is a wasteful number, since it uses less digits than its factorization.

27554128941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35840.

The product of its digits is 806400, while the sum is 48.

The spelling of 27554128941 in words is "twenty-seven billion, five hundred fifty-four million, one hundred twenty-eight thousand, nine hundred forty-one".

Divisors: 1 3 307 863 921 2589 34667 104001 264941 794823 10642769 29917621 31928307 89752863 9184709647 27554128941