Search a number
-
+
87317359353 = 3271385989831
BaseRepresentation
bin101000101010010000…
…1010010101011111001
322100101022000102222100
41101110201102223321
52412311220444403
6104040230014013
76210543210540
oct1212441225371
9270338012870
1087317359353
1134038411504
1214b0a4a7309
138307106053
144324907157
152410ac52a3
hex1454852af9

87317359353 has 12 divisors (see below), whose sum is σ = 144142942528. Its totient is φ = 49895633880.

The previous prime is 87317359351. The next prime is 87317359387. The reversal of 87317359353 is 35395371378.

87317359353 is a `hidden beast` number, since 8 + 73 + 173 + 59 + 353 = 666.

It is not a de Polignac number, because 87317359353 - 21 = 87317359351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 87317359353.

It is not an unprimeable number, because it can be changed into a prime (87317359351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 692994853 + ... + 692994978.

Almost surely, 287317359353 is an apocalyptic number.

It is an amenable number.

87317359353 is a deficient number, since it is larger than the sum of its proper divisors (56825583175).

87317359353 is a wasteful number, since it uses less digits than its factorization.

87317359353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385989844 (or 1385989841 counting only the distinct ones).

The product of its digits is 7144200, while the sum is 54.

The spelling of 87317359353 in words is "eighty-seven billion, three hundred seventeen million, three hundred fifty-nine thousand, three hundred fifty-three".

Divisors: 1 3 7 9 21 63 1385989831 4157969493 9701928817 12473908479 29105786451 87317359353