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230240403443442 = 23735869115283111
BaseRepresentation
bin110100010110011100000101…
…011101011100111011110010
31010012012202201120211002102010
4310112130011131130323302
5220134224321240142232
62133402551532503350
766332214555404550
oct6426340535347362
91105182646732363
10230240403443442
11673a8452430677
12219a617131ab56
139b61766548582
1440bd9a307cbd0
151b941344180cc
hexd1670575cef2

230240403443442 has 32 divisors (see below), whose sum is σ = 526265280912384. Its totient is φ = 65782784710800.

The previous prime is 230240403443431. The next prime is 230240403443521. The reversal of 230240403443442 is 244344304042032.

It is a self number, because there is not a number n which added to its sum of digits gives 230240403443442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7423467 + ... + 22706577.

It is an arithmetic number, because the mean of its divisors is an integer number (16445790028512).

Almost surely, 2230240403443442 is an apocalyptic number.

230240403443442 is an abundant number, since it is smaller than the sum of its proper divisors (296024877468942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230240403443442 is a wasteful number, since it uses less digits than its factorization.

230240403443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15641814.

The product of its (nonzero) digits is 884736, while the sum is 39.

Adding to 230240403443442 its reverse (244344304042032), we get a palindrome (474584707485474).

The spelling of 230240403443442 in words is "two hundred thirty trillion, two hundred forty billion, four hundred three million, four hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 358691 717382 1076073 2152146 2510837 5021674 7532511 15065022 15283111 30566222 45849333 91698666 106981777 213963554 320945331 641890662 5481914367701 10963828735402 16445743103103 32891486206206 38373400573907 76746801147814 115120201721721 230240403443442