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420204022242 = 233725720873529
BaseRepresentation
bin1100001110101100001…
…11001000100111100010
31111011121202000001010220
412013112013020213202
523341034212202432
6521012234303510
742234022153644
oct6072607104742
91434552001126
10420204022242
11152231241344
1269531587b96
133081837aca4
14164a35d6894
15ade551572c
hex61d61c89e2

420204022242 has 64 divisors (see below), whose sum is σ = 867141054720. Its totient is φ = 135648608256.

The previous prime is 420204022219. The next prime is 420204022267. The reversal of 420204022242 is 242220402024.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119069934 + ... + 119073462.

It is an arithmetic number, because the mean of its divisors is an integer number (13549078980).

Almost surely, 2420204022242 is an apocalyptic number.

420204022242 is an abundant number, since it is smaller than the sum of its proper divisors (446937032478).

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

420204022242 is a wasteful number, since it uses less digits than its factorization.

420204022242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420204022242 its reverse (242220402024), we get a palindrome (662424424266).

The spelling of 420204022242 in words is "four hundred twenty billion, two hundred four million, twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 37 74 111 222 257 514 771 1542 2087 3529 4174 6261 7058 9509 10587 12522 19018 21174 28527 57054 77219 130573 154438 231657 261146 391719 463314 536359 783438 906953 1072718 1609077 1813906 2720859 3218154 5441718 7365023 14730046 19845283 22095069 33557261 39690566 44190138 59535849 67114522 100671783 119071698 201343566 272505851 545011702 817517553 1635035106 1892810911 3785621822 5678432733 11356865466 70034003707 140068007414 210102011121 420204022242