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4257349613 = 11387031783
BaseRepresentation
bin1111110111000001…
…1111111111101101
3101222200221202202022
43331300133333231
532204340141423
61542241435525
7210333605666
oct37560377755
911880852668
104257349613
111895187860
129a993bba5
1352b0384aa
142c55c436d
1519db5bdc8
hexfdc1ffed

4257349613 has 4 divisors (see below), whose sum is σ = 4644381408. Its totient is φ = 3870317820.

The previous prime is 4257349601. The next prime is 4257349639. The reversal of 4257349613 is 3169437524.

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 a cyclic number.

It is not a de Polignac number, because 4257349613 - 26 = 4257349549 is a prime.

It is a super-2 number, since 2×42573496132 = 36250051454622499538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257349673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193515881 + ... + 193515902.

It is an arithmetic number, because the mean of its divisors is an integer number (1161095352).

Almost surely, 24257349613 is an apocalyptic number.

It is an amenable number.

4257349613 is a deficient number, since it is larger than the sum of its proper divisors (387031795).

4257349613 is a wasteful number, since it uses less digits than its factorization.

4257349613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387031794.

The product of its digits is 544320, while the sum is 44.

The square root of 4257349613 is about 65248.3686615995. The cubic root of 4257349613 is about 1620.7390842152.

The spelling of 4257349613 in words is "four billion, two hundred fifty-seven million, three hundred forty-nine thousand, six hundred thirteen".

Divisors: 1 11 387031783 4257349613