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30300587978305 = 510357585122873
BaseRepresentation
bin1101110001110111001111…
…10010000110111001000001
310222021201010002000011211111
412320323213302012321001
512432421101010301210
6144235521542443321
76245100550141201
oct670734762067101
9128251102004744
1030300587978305
119722452a85137
123494559733541
1313ba4440178c8
1476a7b0626401
153782c3dcd88a
hex1b8ee7c86e41

30300587978305 has 8 divisors (see below), whose sum is σ = 36364216373352. Its totient is φ = 24238129849728.

The previous prime is 30300587978281. The next prime is 30300587978321. The reversal of 30300587978305 is 50387978500303.

It can be written as a sum of positive squares in 4 ways, for example, as 297713188161 + 30002874790144 = 545631^2 + 5477488^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30300587978305 - 225 = 30300554423873 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 30300587978305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292509652 + ... + 292613221.

It is an arithmetic number, because the mean of its divisors is an integer number (4545527046669).

Almost surely, 230300587978305 is an apocalyptic number.

It is an amenable number.

30300587978305 is a deficient number, since it is larger than the sum of its proper divisors (6063628395047).

30300587978305 is a wasteful number, since it uses less digits than its factorization.

30300587978305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585133235.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 30300587978305 in words is "thirty trillion, three hundred billion, five hundred eighty-seven million, nine hundred seventy-eight thousand, three hundred five".

Divisors: 1 5 10357 51785 585122873 2925614365 6060117595661 30300587978305