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30402230315445 = 325675605118121
BaseRepresentation
bin1101110100110100100100…
…01000110110100110110101
310222122102110200222220002200
412322122102020312212311
512441102231430043240
6144354331454455113
76255326415560502
oct672322210664665
9128572420886080
1030402230315445
11976157147945a
1234b01a5504499
1313c6bc1b64671
1477169383c4a9
1537ac723cb930
hex1ba6922369b5

30402230315445 has 12 divisors (see below), whose sum is σ = 52697199213516. Its totient is φ = 16214522834880.

The previous prime is 30402230315321. The next prime is 30402230315491. The reversal of 30402230315445 is 54451303220403.

30402230315445 is a `hidden beast` number, since 3 + 0 + 402 + 230 + 3 + 15 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17612265709809 + 12789964605636 = 4196697^2 + 3576306^2 .

It is not a de Polignac number, because 30402230315445 - 28 = 30402230315189 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337802559016 + ... + 337802559105.

It is an arithmetic number, because the mean of its divisors is an integer number (4391433267793).

Almost surely, 230402230315445 is an apocalyptic number.

It is an amenable number.

30402230315445 is a deficient number, since it is larger than the sum of its proper divisors (22294968898071).

30402230315445 is a wasteful number, since it uses less digits than its factorization.

30402230315445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675605118132 (or 675605118129 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 30402230315445 its reverse (54451303220403), we get a palindrome (84853533535848).

The spelling of 30402230315445 in words is "thirty trillion, four hundred two billion, two hundred thirty million, three hundred fifteen thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 675605118121 2026815354363 3378025590605 6080446063089 10134076771815 30402230315445