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18034672437317 = 23417703832737
BaseRepresentation
bin1000001100111000001100…
…01111101000100001000101
32100212002122022220222002202
410012130012033220201011
54330440002120443232
6102205003015444245
73540650665252604
oct406340617504105
970762568828082
1018034672437317
115823509478628
1220332a7386685
13a0a87c144a83
14464c505aba3b
152141cacd3162
hex1067063e8845

18034672437317 has 4 divisors (see below), whose sum is σ = 18042376272396. Its totient is φ = 18026968602240.

The previous prime is 18034672437281. The next prime is 18034672437323. The reversal of 18034672437317 is 71373427643081.

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 7621569396961 + 10413103040356 = 2760719^2 + 3226934^2 .

It is a cyclic number.

It is not a de Polignac number, because 18034672437317 - 210 = 18034672436293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18034672437917) 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, 3851914028 + ... + 3851918709.

It is an arithmetic number, because the mean of its divisors is an integer number (4510594068099).

Almost surely, 218034672437317 is an apocalyptic number.

It is an amenable number.

18034672437317 is a deficient number, since it is larger than the sum of its proper divisors (7703835079).

18034672437317 is an equidigital number, since it uses as much as digits as its factorization.

18034672437317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703835078.

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 18034672437317 in words is "eighteen trillion, thirty-four billion, six hundred seventy-two million, four hundred thirty-seven thousand, three hundred seventeen".

Divisors: 1 2341 7703832737 18034672437317