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2544968949 = 315128119993
BaseRepresentation
bin1001011110110001…
…0010010011110101
320120100210211002020
42113230102103311
520203003001244
61100311303353
7120031610355
oct22754222365
96510724066
102544968949
111096628926
125b037ab59
133173458b3
141a1dd8b65
15ed65ed19
hex97b124f5

2544968949 has 16 divisors (see below), whose sum is σ = 3428091264. Its totient is φ = 1679328000.

The previous prime is 2544968887. The next prime is 2544969001. The reversal of 2544968949 is 9498694452.

It is not a de Polignac number, because 2544968949 - 27 = 2544968821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2544968892 and 2544968901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544968149) 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, 117297 + ... + 137289.

It is an arithmetic number, because the mean of its divisors is an integer number (214255704).

Almost surely, 22544968949 is an apocalyptic number.

It is an amenable number.

2544968949 is a deficient number, since it is larger than the sum of its proper divisors (883122315).

2544968949 is a wasteful number, since it uses less digits than its factorization.

2544968949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428.

The product of its digits is 22394880, while the sum is 60.

The square root of 2544968949 is about 50447.6852689992. The cubic root of 2544968949 is about 1365.2981318233.

The spelling of 2544968949 in words is "two billion, five hundred forty-four million, nine hundred sixty-eight thousand, nine hundred forty-nine".

Divisors: 1 3 151 281 453 843 19993 42431 59979 127293 3018943 5618033 9056829 16854099 848322983 2544968949