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2992057181 is a prime number
BaseRepresentation
bin1011001001010111…
…0010101101011101
321201112002020211122
42302111302231131
522111431312211
61212522100325
7134101031531
oct26225625535
97645066748
102992057181
1112a5a35933
126b604a6a5
13388b63149
14205539bc1
15127a256db
hexb2572b5d

2992057181 has 2 divisors, whose sum is σ = 2992057182. Its totient is φ = 2992057180.

The previous prime is 2992057169. The next prime is 2992057199. The reversal of 2992057181 is 1817502992.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2257105081 + 734952100 = 47509^2 + 27110^2 .

It is a cyclic number.

It is not a de Polignac number, because 2992057181 - 214 = 2992040797 is a prime.

It is a super-3 number, since 3×29920571813 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2992257181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1496028590 + 1496028591.

It is an arithmetic number, because the mean of its divisors is an integer number (1496028591).

Almost surely, 22992057181 is an apocalyptic number.

It is an amenable number.

2992057181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2992057181 is an equidigital number, since it uses as much as digits as its factorization.

2992057181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 2992057181 is about 54699.7000083181. The cubic root of 2992057181 is about 1440.9756089635.

The spelling of 2992057181 in words is "two billion, nine hundred ninety-two million, fifty-seven thousand, one hundred eighty-one".