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42386912830 = 25671631932011
BaseRepresentation
bin100111011110011101…
…001111011000111110
311001102000110021100101
4213132131033120332
51143302022202310
631250002351314
73030246546223
oct473635173076
9131360407311
1042386912830
1116a81341a79
12826b35b53a
133cc6738412
1420a15c194a
15118132543a
hex9de74f63e

42386912830 has 64 divisors (see below), whose sum is σ = 78352881408. Its totient is φ = 16505026560.

The previous prime is 42386912779. The next prime is 42386912849. The reversal of 42386912830 is 3821968324.

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 31 ways as a sum of consecutive naturals, for example, 21076525 + ... + 21078535.

It is an arithmetic number, because the mean of its divisors is an integer number (1224263772).

Almost surely, 242386912830 is an apocalyptic number.

42386912830 is a deficient number, since it is larger than the sum of its proper divisors (35965968578).

42386912830 is a wasteful number, since it uses less digits than its factorization.

42386912830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 42386912830 in words is "forty-two billion, three hundred eighty-six million, nine hundred twelve thousand, eight hundred thirty".

Divisors: 1 2 5 10 67 134 163 193 326 335 386 670 815 965 1630 1930 2011 4022 10055 10921 12931 20110 21842 25862 31459 54605 62918 64655 109210 129310 134737 157295 269474 314590 327793 388123 655586 673685 776246 1347370 1638965 1940615 2107753 3277930 3881230 4215506 10538765 21077530 21962131 26004241 43924262 52008482 63264049 109810655 126528098 130021205 219621310 260042410 316320245 632640490 4238691283 8477382566 21193456415 42386912830