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93087478442 = 2721755874837
BaseRepresentation
bin101011010110001110…
…0100011001010101010
322220021102111212022202
41112230130203022222
53011120343302232
6110432551420202
76503536340300
oct1265434431252
9286242455282
1093087478442
1136529500372
121605a984662
138a16684aba
144710d96270
15264c450162
hex15ac7232aa

93087478442 has 24 divisors (see below), whose sum is σ = 171982751364. Its totient is φ = 37547889792.

The previous prime is 93087478399. The next prime is 93087478511. The reversal of 93087478442 is 24487478039.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69742999921 + 23344478521 = 264089^2 + 152789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27935753 + ... + 27939084.

Almost surely, 293087478442 is an apocalyptic number.

93087478442 is a deficient number, since it is larger than the sum of its proper divisors (78895272922).

93087478442 is a wasteful number, since it uses less digits than its factorization.

93087478442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55874870 (or 55874863 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 93087478442 in words is "ninety-three billion, eighty-seven million, four hundred seventy-eight thousand, four hundred forty-two".

Divisors: 1 2 7 14 17 34 49 98 119 238 833 1666 55874837 111749674 391123859 782247718 949872229 1899744458 2737867013 5475734026 6649105603 13298211206 46543739221 93087478442