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420020103234 = 233737312913929
BaseRepresentation
bin1100001110010110010…
…01100010100001000010
31111011010220220222200210
412013023021202201002
523340200121300414
6520542104254550
742226326653634
oct6071311424102
91434126828623
10420020103234
11152147442266
126949ba71456
13307b9234384
1416486ddca54
15add42d5e59
hex61cb262842

420020103234 has 64 divisors (see below), whose sum is σ = 865947392640. Its totient is φ = 135717742080.

The previous prime is 420020103221. The next prime is 420020103253. The reversal of 420020103234 is 432301020024.

It is a self number, because there is not a number n which added to its sum of digits gives 420020103234.

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, 106900582 + ... + 106904510.

It is an arithmetic number, because the mean of its divisors is an integer number (13530428010).

Almost surely, 2420020103234 is an apocalyptic number.

420020103234 is an abundant number, since it is smaller than the sum of its proper divisors (445927289406).

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

420020103234 is a wasteful number, since it uses less digits than its factorization.

420020103234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 420020103234 its reverse (432301020024), we get a palindrome (852321123258).

The spelling of 420020103234 in words is "four hundred twenty billion, twenty million, one hundred three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 37 74 111 222 373 746 1119 1291 2238 2582 3873 3929 7746 7858 11787 13801 23574 27602 41403 47767 82806 95534 143301 145373 286602 290746 436119 481543 872238 963086 1444629 1465517 2889258 2931034 4396551 5072339 8793102 10144678 15217017 17817091 30434034 35634182 53451273 54224129 106902546 108448258 162672387 187676543 325344774 375353086 563029629 1126059258 1891982447 3783964894 5675947341 11351894682 70003350539 140006701078 210010051617 420020103234