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2970531857 = 232928315737
BaseRepresentation
bin1011000100001110…
…1011100000010001
321200000120122122102
42301003223200101
522040424004412
61210432450145
7133420050506
oct26103534021
97600518572
102970531857
111294873607
126aa9a9955
13384567677
142027354ad
15125bc28c2
hexb10eb811

2970531857 has 16 divisors (see below), whose sum is σ = 3218106240. Its totient is φ = 2733532032.

The previous prime is 2970531853. The next prime is 2970531859. The reversal of 2970531857 is 7581350792.

It is a cyclic number.

It is not a de Polignac number, because 2970531857 - 22 = 2970531853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2970531853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180893 + ... + 196629.

It is an arithmetic number, because the mean of its divisors is an integer number (201131640).

Almost surely, 22970531857 is an apocalyptic number.

It is an amenable number.

2970531857 is a deficient number, since it is larger than the sum of its proper divisors (247574383).

2970531857 is a wasteful number, since it uses less digits than its factorization.

2970531857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16072.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 2970531857 is about 54502.5857826948. The cubic root of 2970531857 is about 1437.5117550343.

The spelling of 2970531857 in words is "two billion, nine hundred seventy million, five hundred thirty-one thousand, eight hundred fifty-seven".

Divisors: 1 23 29 283 667 6509 8207 15737 188761 361951 456373 4453571 10496579 102432133 129153559 2970531857