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918318749482 = 2459159374741
BaseRepresentation
bin11010101110100000001…
…00000001011100101010
310020210100012201222100101
431113100010001130222
5110021204044440412
61541511513500014
7123226536402301
oct15272004013452
93223305658311
10918318749482
11324502aa2482
12129b8711160a
136879ba50644
14326382a7438
1518d4a899457
hexd5d010172a

918318749482 has 4 divisors (see below), whose sum is σ = 1377478124226. Its totient is φ = 459159374740.

The previous prime is 918318749443. The next prime is 918318749483. The reversal of 918318749482 is 284947813819.

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

It can be written as a sum of positive squares in only one way, i.e., 662415304321 + 255903445161 = 813889^2 + 505869^2 .

It is not an unprimeable number, because it can be changed into a prime (918318749483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229579687369 + ... + 229579687372.

Almost surely, 2918318749482 is an apocalyptic number.

918318749482 is a deficient number, since it is larger than the sum of its proper divisors (459159374744).

918318749482 is a wasteful number, since it uses less digits than its factorization.

918318749482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459159374743.

The product of its digits is 27869184, while the sum is 64.

The spelling of 918318749482 in words is "nine hundred eighteen billion, three hundred eighteen million, seven hundred forty-nine thousand, four hundred eighty-two".

Divisors: 1 2 459159374741 918318749482