Search a number
-
+
3120874217 = 9734992189
BaseRepresentation
bin1011101000000100…
…1100001011101001
322001111110211120222
42322001030023221
522342420433332
61233403055425
7140223664436
oct27201141351
98044424528
103120874217
111361719a9a
12731211575
133a9756346
142186acb8d
15133ebd712
hexba04c2e9

3120874217 has 8 divisors (see below), whose sum is σ = 3162117000. Its totient is φ = 3079816704.

The previous prime is 3120874199. The next prime is 3120874259. The reversal of 3120874217 is 7124780213.

It can be written as a sum of positive squares in 4 ways, for example, as 746163856 + 2374710361 = 27316^2 + 48731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3120874217 - 220 = 3119825641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120874277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12242 + ... + 79947.

It is an arithmetic number, because the mean of its divisors is an integer number (395264625).

Almost surely, 23120874217 is an apocalyptic number.

It is an amenable number.

3120874217 is a deficient number, since it is larger than the sum of its proper divisors (41242783).

3120874217 is an equidigital number, since it uses as much as digits as its factorization.

3120874217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92635.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3120874217 is about 55864.7851244413. The cubic root of 3120874217 is about 1461.3651797368.

The spelling of 3120874217 in words is "three billion, one hundred twenty million, eight hundred seventy-four thousand, two hundred seventeen".

Divisors: 1 97 349 33853 92189 8942333 32173961 3120874217