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42421220054 = 2137584326497
BaseRepresentation
bin100111100000100000…
…000111001011010110
311001111102000021000022
4213200200013023112
51143334313020204
631253225545142
73031144264253
oct474040071326
9131442007008
1042421220054
1116a99744554
12827a9451b2
13400088aa55
1420a5d9242a
1511843505be
hex9e08072d6

42421220054 has 16 divisors (see below), whose sum is σ = 64109685168. Its totient is φ = 21051389952.

The previous prime is 42421220027. The next prime is 42421220063. The reversal of 42421220054 is 45002212424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587734 + ... + 1614230.

It is an arithmetic number, because the mean of its divisors is an integer number (4006855323).

Almost surely, 242421220054 is an apocalyptic number.

42421220054 is a deficient number, since it is larger than the sum of its proper divisors (21688465114).

42421220054 is a wasteful number, since it uses less digits than its factorization.

42421220054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32479.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 42421220054 its reverse (45002212424), we get a palindrome (87423432478).

The spelling of 42421220054 in words is "forty-two billion, four hundred twenty-one million, two hundred twenty thousand, fifty-four".

Divisors: 1 2 137 274 5843 11686 26497 52994 800491 1600982 3630089 7260178 154821971 309643942 21210610027 42421220054