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918430889104 = 242395872
BaseRepresentation
bin11010101110101101011…
…11110011010010010000
310020210122000202020222201
431113112233303102100
5110021421301422404
61541531001212544
7123232400515051
oct15272657632220
93223560666881
10918430889104
11324560325653
12129bb8791154
13687b9054851
1432649138728
1518d5564aca4
hexd5d6bf3490

918430889104 has 15 divisors (see below), whose sum is σ = 1779467274867. Its totient is φ = 459213527856.

The previous prime is 918430889083. The next prime is 918430889137. The reversal of 918430889104 is 401988034819.

It is a happy number.

The square root of 918430889104 is 958348.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3713599 + ... + 3953185.

Almost surely, 2918430889104 is an apocalyptic number.

918430889104 is the 958348-th square number.

It is an amenable number.

918430889104 is a deficient number, since it is larger than the sum of its proper divisors (861036385763).

918430889104 is an frugal number, since it uses more digits than its factorization.

918430889104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479182 (or 239589 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 55.

The spelling of 918430889104 in words is "nine hundred eighteen billion, four hundred thirty million, eight hundred eighty-nine thousand, one hundred four".

Divisors: 1 2 4 8 16 239587 479174 958348 1916696 3833392 57401930569 114803861138 229607722276 459215444552 918430889104