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42489107633280 = 27357117125116127
BaseRepresentation
bin10011010100100110001000…
…01010101101010010000000
312120102220210222002000101110
421222103010022231102000
521032120143023231110
6230211120535203320
711643510460612110
oct1152230412552200
9176386728060343
1042489107633280
11125a159062aa90
124922810216540
131a92923439299
14a6c6ab6d9040
154da38c44ea20
hex26a4c42ad480

42489107633280 has 1024 divisors, whose sum is σ = 171923881328640. Its totient is φ = 8669337600000.

The previous prime is 42489107633263. The next prime is 42489107633321. The reversal of 42489107633280 is 8233670198424.

It is a self number, because there is not a number n which added to its sum of digits gives 42489107633280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2634648577 + ... + 2634664703.

It is an arithmetic number, because the mean of its divisors is an integer number (167894415360).

Almost surely, 242489107633280 is an apocalyptic number.

42489107633280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42489107633280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85961940664320).

42489107633280 is an abundant number, since it is smaller than the sum of its proper divisors (129434773695360).

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

42489107633280 is a wasteful number, since it uses less digits than its factorization.

42489107633280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16489 (or 16477 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 42489107633280 in words is "forty-two trillion, four hundred eighty-nine billion, one hundred seven million, six hundred thirty-three thousand, two hundred eighty".