Search a number
-
+
3081027049 = 47211812
BaseRepresentation
bin1011011110100100…
…1011110111101001
321221201111101112221
42313221023313221
522302220331144
61225421034041
7136231204102
oct26751136751
97851441487
103081027049
111341183251
1271b9b5921
133a1414239
142132993a9
1513074bd84
hexb7a4bde9

3081027049 has 9 divisors (see below), whose sum is σ = 3150643351. Its totient is φ = 3012919960.

The previous prime is 3081027043. The next prime is 3081027067. The reversal of 3081027049 is 9407201803.

The square root of 3081027049 is 55507.

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

It can be written as a sum of positive squares in only one way, i.e., 2825666649 + 255360400 = 53157^2 + 15980^2 .

It is not a de Polignac number, because 3081027049 - 215 = 3080994281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081027043) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2608239 + ... + 2609419.

Almost surely, 23081027049 is an apocalyptic number.

3081027049 is the 55507-th square number.

3081027049 is the 27754-th centered octagonal number.

It is an amenable number.

3081027049 is a deficient number, since it is larger than the sum of its proper divisors (69616302).

3081027049 is an frugal number, since it uses more digits than its factorization.

3081027049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456 (or 1228 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The cubic root of 3081027049 is about 1455.1189739080.

The spelling of 3081027049 in words is "three billion, eighty-one million, twenty-seven thousand, forty-nine".

Divisors: 1 47 1181 2209 55507 1394761 2608829 65553767 3081027049