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230007305546021 = 1778141129352681
BaseRepresentation
bin110100010011000010111111…
…101111100010100100100101
31010011101111001121000000012002
4310103002333233202210211
5220121414430204433041
62133103521503535045
766306323310102023
oct6423027757424445
91104344047000162
10230007305546021
1167318606780243
1221968b592ba485
139b457990c4313
1440b25ad345713
151b8d0403d959b
hexd130bfbe2925

230007305546021 has 4 divisors (see below), whose sum is σ = 230007436676844. Its totient is φ = 230007174415200.

The previous prime is 230007305546017. The next prime is 230007305546093. The reversal of 230007305546021 is 120645503700032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96077929744225 + 133929375801796 = 9801935^2 + 11572786^2 .

It is a cyclic number.

It is not a de Polignac number, because 230007305546021 - 22 = 230007305546017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230007305546521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62898200 + ... + 66454481.

It is an arithmetic number, because the mean of its divisors is an integer number (57501859169211).

Almost surely, 2230007305546021 is an apocalyptic number.

It is an amenable number.

230007305546021 is a deficient number, since it is larger than the sum of its proper divisors (131130823).

230007305546021 is a wasteful number, since it uses less digits than its factorization.

230007305546021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131130822.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 230007305546021 in words is "two hundred thirty trillion, seven billion, three hundred five million, five hundred forty-six thousand, twenty-one".

Divisors: 1 1778141 129352681 230007305546021