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243420530346 = 23374115706577
BaseRepresentation
bin1110001010110011111…
…1101000011010101010
3212021022101200011112000
43202230333220122222
512442011123432341
6303454214431430
723405121240330
oct3425477503252
9767271604460
10243420530346
11942635a8324
123b215062576
1319c53c35196
14bad2a81b50
1564ea3bb8b6
hex38acfe86aa

243420530346 has 64 divisors (see below), whose sum is σ = 633289224960. Its totient is φ = 67852408320.

The previous prime is 243420530341. The next prime is 243420530351. The reversal of 243420530346 is 643035024342.

243420530346 is a `hidden beast` number, since 2 + 4 + 342 + 0 + 5 + 303 + 4 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (243420530341) and next prime (243420530351).

It is a self number, because there is not a number n which added to its sum of digits gives 243420530346.

It is not an unprimeable number, because it can be changed into a prime (243420530341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7837791 + ... + 7868786.

It is an arithmetic number, because the mean of its divisors is an integer number (9895144140).

Almost surely, 2243420530346 is an apocalyptic number.

243420530346 is an abundant number, since it is smaller than the sum of its proper divisors (389868694614).

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

243420530346 is a wasteful number, since it uses less digits than its factorization.

243420530346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15706636 (or 15706630 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 243420530346 its reverse (643035024342), we get a palindrome (886455554688).

The spelling of 243420530346 in words is "two hundred forty-three billion, four hundred twenty million, five hundred thirty thousand, three hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 41 42 54 63 82 123 126 189 246 287 369 378 574 738 861 1107 1722 2214 2583 5166 7749 15498 15706577 31413154 47119731 94239462 109946039 141359193 219892078 282718386 329838117 424077579 643969657 659676234 848155158 989514351 1287939314 1931908971 1979028702 2968543053 3863817942 4507787599 5795726913 5937086106 9015575198 11591453826 13523362797 17387180739 27046725594 34774361478 40570088391 81140176782 121710265173 243420530346