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42002354220 = 2235805386929
BaseRepresentation
bin100111000111100010…
…010001000000101100
311000102012211200002220
4213013202101000230
51142010100313340
631143504115340
73014600056131
oct470742210054
9130365750086
1042002354220
11168a4263442
128182605b50
133c64b72348
1420664ba588
15115c6b1ed0
hex9c789102c

42002354220 has 48 divisors (see below), whose sum is σ = 117622548960. Its totient is φ = 11199108096.

The previous prime is 42002354213. The next prime is 42002354221. The reversal of 42002354220 is 2245320024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42002354221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439716 + ... + 526644.

It is an arithmetic number, because the mean of its divisors is an integer number (2450469770).

Almost surely, 242002354220 is an apocalyptic number.

It is an amenable number.

42002354220 is an abundant number, since it is smaller than the sum of its proper divisors (75620194740).

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

42002354220 is a wasteful number, since it uses less digits than its factorization.

42002354220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94994 (or 94992 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 42002354220 its reverse (2245320024), we get a palindrome (44247674244).

The spelling of 42002354220 in words is "forty-two billion, two million, three hundred fifty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 8053 16106 24159 32212 40265 48318 80530 86929 96636 120795 161060 173858 241590 260787 347716 434645 483180 521574 869290 1043148 1303935 1738580 2607870 5215740 700039237 1400078474 2100117711 2800156948 3500196185 4200235422 7000392370 8400470844 10500588555 14000784740 21001177110 42002354220