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117711361 = 148179481
BaseRepresentation
bin1110000010000…
…10001000000001
322012111100122001
413001002020001
5220113230421
615402544001
72626346545
oct701021001
9265440561
10117711361
1160499319
1233508001
131b5052c1
14118c1a25
15a502691
hex7042201

117711361 has 4 divisors (see below), whose sum is σ = 117792324. Its totient is φ = 117630400.

The previous prime is 117711353. The next prime is 117711413. The reversal of 117711361 is 163117711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54110736 + 63600625 = 7356^2 + 7975^2 .

It is a cyclic number.

It is not a de Polignac number, because 117711361 - 23 = 117711353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117711331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38260 + ... + 41221.

It is an arithmetic number, because the mean of its divisors is an integer number (29448081).

Almost surely, 2117711361 is an apocalyptic number.

It is an amenable number.

117711361 is a deficient number, since it is larger than the sum of its proper divisors (80963).

117711361 is an equidigital number, since it uses as much as digits as its factorization.

117711361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80962.

The product of its digits is 882, while the sum is 28.

The square root of 117711361 is about 10849.4866698844. The cubic root of 117711361 is about 490.0865611341.

The spelling of 117711361 in words is "one hundred seventeen million, seven hundred eleven thousand, three hundred sixty-one".

Divisors: 1 1481 79481 117711361