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42457480284 = 2233538123357
BaseRepresentation
bin100111100010101010…
…011011110001011100
311001120221020110200210
4213202222123301130
51143423103332114
631301003052420
73032064425232
oct474252336134
9131527213623
1042457480284
111700816038a
12828ab11110
1340082452cb
1420aab10952
151187614259
hex9e2a9bc5c

42457480284 has 12 divisors (see below), whose sum is σ = 99067454024. Its totient is φ = 14152493424.

The previous prime is 42457480283. The next prime is 42457480321. The reversal of 42457480284 is 48208475424.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42457480283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769061667 + ... + 1769061690.

Almost surely, 242457480284 is an apocalyptic number.

It is an amenable number.

42457480284 is an abundant number, since it is smaller than the sum of its proper divisors (56609973740).

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

42457480284 is a wasteful number, since it uses less digits than its factorization.

42457480284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538123364 (or 3538123362 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 48.

The spelling of 42457480284 in words is "forty-two billion, four hundred fifty-seven million, four hundred eighty thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 3538123357 7076246714 10614370071 14152493428 21228740142 42457480284