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3213252057 = 31071084019
BaseRepresentation
bin1011111110000110…
…0101010111011001
322021221022010011110
42333201211113121
523040043031212
61250503050533
7142425122541
oct27741452731
98257263143
103213252057
1113a9884914
12758140a49
133c292b6a2
14226a78321
1513c169a3c
hexbf8655d9

3213252057 has 4 divisors (see below), whose sum is σ = 4284336080. Its totient is φ = 2142168036.

The previous prime is 3213252047. The next prime is 3213252061. The reversal of 3213252057 is 7502523123.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3213252057 - 27 = 3213251929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3213252037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535542007 + ... + 535542012.

It is an arithmetic number, because the mean of its divisors is an integer number (1071084020).

Almost surely, 23213252057 is an apocalyptic number.

It is an amenable number.

3213252057 is a deficient number, since it is larger than the sum of its proper divisors (1071084023).

3213252057 is a wasteful number, since it uses less digits than its factorization.

3213252057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071084022.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 3213252057 is about 56685.5542179840. The cubic root of 3213252057 is about 1475.6440059741.

The spelling of 3213252057 in words is "three billion, two hundred thirteen million, two hundred fifty-two thousand, fifty-seven".

Divisors: 1 3 1071084019 3213252057