Search a number
-
+
3377818161 = 32193732
BaseRepresentation
bin1100100101010101…
…0110101000110001
322201101221221102100
43021111112220301
523404210140121
61315102211013
7146463660234
oct31125265061
98641857370
103377818161
111483765863
127a3283a69
1341aa5a593
1424087541b
1514b825026
hexc9556a31

3377818161 has 9 divisors (see below), whose sum is σ = 4879322539. Its totient is φ = 2251762536.

The previous prime is 3377818121. The next prime is 3377818177. The reversal of 3377818161 is 1618187733.

The square root of 3377818161 is 58119.

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., 972504225 + 2405313936 = 31185^2 + 49044^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 3377818161 - 29 = 3377817649 is a prime.

It is a super-2 number, since 2×33778181612 = 22819311057562843842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3377818121) 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, 164671 + ... + 184043.

Almost surely, 23377818161 is an apocalyptic number.

3377818161 is the 58119-th square number.

3377818161 is the 29060-th centered octagonal number.

It is an amenable number.

3377818161 is a deficient number, since it is larger than the sum of its proper divisors (1501504378).

3377818161 is an frugal number, since it uses more digits than its factorization.

3377818161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38752 (or 19376 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The cubic root of 3377818161 is about 1500.4173891801.

The spelling of 3377818161 in words is "three billion, three hundred seventy-seven million, eight hundred eighteen thousand, one hundred sixty-one".

Divisors: 1 3 9 19373 58119 174357 375313129 1125939387 3377818161