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3120678133 = 5520156533
BaseRepresentation
bin1011101000000001…
…1100010011110101
322001111002212121121
42322000130103311
522342343200013
61233354543541
7140222216656
oct27200342365
98044085547
103120678133
1113615a5741
12731137bb1
133a96b8011
1421865b52d
15133e8058d
hexba01c4f5

3120678133 has 4 divisors (see below), whose sum is σ = 3120789868. Its totient is φ = 3120566400.

The previous prime is 3120678101. The next prime is 3120678149. The reversal of 3120678133 is 3318760213.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 93257649 + 3027420484 = 9657^2 + 55022^2 .

It is a cyclic number.

It is not a de Polignac number, because 3120678133 - 25 = 3120678101 is a prime.

It is a super-3 number, since 3×31206781333 (a number of 29 digits) contains 333 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 (3120678233) 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, 26935 + ... + 83467.

It is an arithmetic number, because the mean of its divisors is an integer number (780197467).

Almost surely, 23120678133 is an apocalyptic number.

It is an amenable number.

3120678133 is a deficient number, since it is larger than the sum of its proper divisors (111735).

3120678133 is an equidigital number, since it uses as much as digits as its factorization.

3120678133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111734.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 3120678133 is about 55863.0301093666. The cubic root of 3120678133 is about 1461.3345733200.

The spelling of 3120678133 in words is "three billion, one hundred twenty million, six hundred seventy-eight thousand, one hundred thirty-three".

Divisors: 1 55201 56533 3120678133