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47228140636512 = 25311219474552949
BaseRepresentation
bin10101011110100001010001…
…00010111100100101100000
320012012222002022202010100220
422233100220202330211200
522142241213000332022
6244240150331243040
712643056231526053
oct1257205042744540
9205188068663326
1047228140636512
1114059384177300
1253691688a9480
132047796300c64
14b93bd5d10a9a
1556d7a413685c
hex2af4288bc960

47228140636512 has 288 divisors, whose sum is σ = 146492805312000. Its totient is φ = 13269840122880.

The previous prime is 47228140636511. The next prime is 47228140636529. The reversal of 47228140636512 is 21563604182274.

It is a super-2 number, since 2×472281406365122 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47228140636511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8096614 + ... + 12649562.

It is an arithmetic number, because the mean of its divisors is an integer number (508655574000).

Almost surely, 247228140636512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47228140636512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73246402656000).

47228140636512 is an abundant number, since it is smaller than the sum of its proper divisors (99264664675488).

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

47228140636512 is a wasteful number, since it uses less digits than its factorization.

47228140636512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553050 (or 4553031 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 47228140636512 in words is "forty-seven trillion, two hundred twenty-eight billion, one hundred forty million, six hundred thirty-six thousand, five hundred twelve".