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14505034121 = 78731842377
BaseRepresentation
bin11011000001001000…
…10100000110001001
31101102212210002010222
431200210110012021
5214201242042441
610355153115425
71022306520134
oct154044240611
941385702128
1014505034121
116173793906
122989858b75
1314a2137436
149b85bd21b
1559d642d4b
hex360914189

14505034121 has 4 divisors (see below), whose sum is σ = 14506884372. Its totient is φ = 14503183872.

The previous prime is 14505034073. The next prime is 14505034129. The reversal of 14505034121 is 12143050541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12143050541 = 37933201437.

It can be written as a sum of positive squares in 2 ways, for example, as 5327394121 + 9177640000 = 72989^2 + 95800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14505034121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14505034129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913316 + ... + 929061.

It is an arithmetic number, because the mean of its divisors is an integer number (3626721093).

Almost surely, 214505034121 is an apocalyptic number.

It is an amenable number.

14505034121 is a deficient number, since it is larger than the sum of its proper divisors (1850251).

14505034121 is an equidigital number, since it uses as much as digits as its factorization.

14505034121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850250.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 14505034121 its reverse (12143050541), we get a palindrome (26648084662).

The spelling of 14505034121 in words is "fourteen billion, five hundred five million, thirty-four thousand, one hundred twenty-one".

Divisors: 1 7873 1842377 14505034121