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230434641521 = 7172380181359
BaseRepresentation
bin1101011010011011111…
…0011001011001110001
3211000210101102122221122
43112212332121121301
512233412232012041
6253505450032025
722435246064210
oct3264676313161
9730711378848
10230434641521
11897aa3908a7
12387b0118615
13189647643b6
14b22014b077
155eda305c4b
hex35a6f99671

230434641521 has 16 divisors (see below), whose sum is σ = 278860423680. Its totient is φ = 185886758400.

The previous prime is 230434641499. The next prime is 230434641533. The reversal of 230434641521 is 125146434032.

It is not a de Polignac number, because 230434641521 - 218 = 230434379377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230434641121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2791640 + ... + 2872998.

It is an arithmetic number, because the mean of its divisors is an integer number (17428776480).

Almost surely, 2230434641521 is an apocalyptic number.

It is an amenable number.

230434641521 is a deficient number, since it is larger than the sum of its proper divisors (48425782159).

230434641521 is a wasteful number, since it uses less digits than its factorization.

230434641521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105184.

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 230434641521 in words is "two hundred thirty billion, four hundred thirty-four million, six hundred forty-one thousand, five hundred twenty-one".

Divisors: 1 7 17 119 23801 81359 166607 404617 569513 1383103 2832319 9681721 1936425559 13554978913 32919234503 230434641521