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7487042112 = 2633111920731
BaseRepresentation
bin1101111100100001…
…10011001001000000
3201022210012010222000
412332100303021000
5110313140321422
63234533144000
7353351544054
oct67620631100
921283163860
107487042112
1131a2270610
12154b48b000
139241a2044
145104dbc64
152dc472cac
hex1be433240

7487042112 has 224 divisors, whose sum is σ = 25276454400. Its totient is φ = 2149286400.

The previous prime is 7487042081. The next prime is 7487042113. The reversal of 7487042112 is 2112407847.

It is a super-2 number, since 2×74870421122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7487042113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350787 + ... + 371517.

Almost surely, 27487042112 is an apocalyptic number.

7487042112 is a gapful number since it is divisible by the number (72) 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 7487042112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12638227200).

7487042112 is an abundant number, since it is smaller than the sum of its proper divisors (17789412288).

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

7487042112 is a wasteful number, since it uses less digits than its factorization.

7487042112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20782 (or 20766 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 7487042112 is about 86527.6956355594. The cubic root of 7487042112 is about 1956.3058725998.

Adding to 7487042112 its reverse (2112407847), we get a palindrome (9599449959).

The spelling of 7487042112 in words is "seven billion, four hundred eighty-seven million, forty-two thousand, one hundred twelve".