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316642217441 = 1128785656131
BaseRepresentation
bin1001001101110010101…
…10001100110111100001
31010021022100012021020212
410212321112030313201
520141440401424231
6401244033343505
731606455303614
oct4467126146741
91107270167225
10316642217441
11112318305610
125144aa07b95
1323b22972654
141147b4ca17b
15838376142b
hex49b958cde1

316642217441 has 4 divisors (see below), whose sum is σ = 345427873584. Its totient is φ = 287856561300.

The previous prime is 316642217393. The next prime is 316642217467. The reversal of 316642217441 is 144712246613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144712246613 = 1113155658783.

It is not a de Polignac number, because 316642217441 - 218 = 316641955297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316642217491) 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, 14392828055 + ... + 14392828076.

It is an arithmetic number, because the mean of its divisors is an integer number (86356968396).

Almost surely, 2316642217441 is an apocalyptic number.

It is an amenable number.

316642217441 is a deficient number, since it is larger than the sum of its proper divisors (28785656143).

316642217441 is a wasteful number, since it uses less digits than its factorization.

316642217441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785656142.

The product of its digits is 193536, while the sum is 41.

The spelling of 316642217441 in words is "three hundred sixteen billion, six hundred forty-two million, two hundred seventeen thousand, four hundred forty-one".

Divisors: 1 11 28785656131 316642217441