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2991353941 = 23151861317
BaseRepresentation
bin1011001001001100…
…0111000001010101
321201110202112011201
42302103013001111
522111241311231
61212455032501
7134062042342
oct26223070125
97643675151
102991353941
1112a55a5544
126b596b731
13388978024
142053d57c9
15127937161
hexb24c7055

2991353941 has 8 divisors (see below), whose sum is σ = 3142088064. Its totient is φ = 2842342800.

The previous prime is 2991353917. The next prime is 2991353951. The reversal of 2991353941 is 1493531992.

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 2991353941 - 25 = 2991353909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2991353891 and 2991353900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2991353951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427186 + ... + 434131.

It is an arithmetic number, because the mean of its divisors is an integer number (392761008).

Almost surely, 22991353941 is an apocalyptic number.

It is an amenable number.

2991353941 is a deficient number, since it is larger than the sum of its proper divisors (150734123).

2991353941 is a wasteful number, since it uses less digits than its factorization.

2991353941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861491.

The product of its digits is 262440, while the sum is 46.

The square root of 2991353941 is about 54693.2714417414. The cubic root of 2991353941 is about 1440.8627065881.

The spelling of 2991353941 in words is "two billion, nine hundred ninety-one million, three hundred fifty-three thousand, nine hundred forty-one".

Divisors: 1 23 151 3473 861317 19810291 130058867 2991353941