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42881455228 = 2277171138917
BaseRepresentation
bin100111111011111011…
…110001010001111100
311002200111000121222111
4213323323301101330
51200310123031403
631411030223404
73045433232623
oct477373612174
9132614017874
1042881455228
1117205510aa7
128388ab4b64
13407502c361
14210b1566ba
1511ae96156d
hex9fbef147c

42881455228 has 12 divisors (see below), whose sum is σ = 75044059272. Its totient is φ = 21440295440.

The previous prime is 42881455223. The next prime is 42881455241. The reversal of 42881455228 is 82255418824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42881455223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 239226 + ... + 378142.

It is an arithmetic number, because the mean of its divisors is an integer number (6253671606).

Almost surely, 242881455228 is an apocalyptic number.

It is an amenable number.

42881455228 is a deficient number, since it is larger than the sum of its proper divisors (32162604044).

42881455228 is a wasteful number, since it uses less digits than its factorization.

42881455228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216092 (or 216090 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 49.

The spelling of 42881455228 in words is "forty-two billion, eight hundred eighty-one million, four hundred fifty-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 77171 138917 154342 277834 308684 555668 10720363807 21440727614 42881455228