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3113974809 = 32112192892
BaseRepresentation
bin1011100110011011…
…0111110000011001
322001000111022101100
42321212313300121
522334134143214
61232555142013
7140111230521
oct27146676031
98030438340
103113974809
111358837400
1272aa44909
133a81abb5a
142177d4681
151335a9309
hexb99b7c19

3113974809 has 81 divisors (see below), whose sum is σ = 5277238239. Its totient is φ = 1767839040.

The previous prime is 3113974777. The next prime is 3113974811. The reversal of 3113974809 is 9084793113.

The square root of 3113974809 is 55803.

It is a perfect power (a square), and thus also a powerful number.

3113974809 is a `hidden beast` number, since 31 + 139 + 7 + 480 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 597949209 + 2516025600 = 24453^2 + 50160^2 .

It is not a de Polignac number, because 3113974809 - 25 = 3113974777 is a prime.

It is a super-2 number, since 2×31139748092 = 19393678222173172962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3113974819) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 34988437 + ... + 34988525.

Almost surely, 23113974809 is an apocalyptic number.

3113974809 is the 55803-rd square number.

3113974809 is the 27902-nd centered octagonal number.

It is an amenable number.

3113974809 is a deficient number, since it is larger than the sum of its proper divisors (2163263430).

3113974809 is a wasteful number, since it uses less digits than its factorization.

3113974809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The cubic root of 3113974809 is about 1460.2874909246.

The spelling of 3113974809 in words is "three billion, one hundred thirteen million, nine hundred seventy-four thousand, eight hundred nine".

Divisors: 1 3 9 11 19 33 57 89 99 121 171 209 267 361 363 627 801 979 1083 1089 1691 1881 2299 2937 3249 3971 5073 6897 7921 8811 10769 11913 15219 18601 20691 23763 32129 32307 35739 43681 55803 71289 87131 96387 96921 131043 150499 167409 204611 261393 289161 353419 393129 451497 613833 784179 958441 1060257 1354491 1655489 1841499 2859481 2875323 3180771 3887609 4966467 8578443 8625969 11662827 14899401 18210379 25735329 31454291 34988481 54631137 94362873 163893411 283088619 345997201 1037991603 3113974809