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47235394620 = 22385834337
BaseRepresentation
bin101011111111011100…
…101110110000111100
311111220220201200000000
4223333130232300330
51233214230111440
633411042234300
73261352141521
oct537734566074
9144826650000
1047235394620
111903a170117
1291a3055990
1345ba08605b
1424014c1148
151366cec730
hexaff72ec3c

47235394620 has 216 divisors, whose sum is σ = 150611230224. Its totient is φ = 12441475584.

The previous prime is 47235394559. The next prime is 47235394663. The reversal of 47235394620 is 2649353274.

47235394620 is a `hidden beast` number, since 4 + 7 + 235 + 394 + 6 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 10889092 + ... + 10893428.

It is an arithmetic number, because the mean of its divisors is an integer number (697274214).

Almost surely, 247235394620 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 47235394620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75305615112).

47235394620 is an abundant number, since it is smaller than the sum of its proper divisors (103375835604).

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

47235394620 is an equidigital number, since it uses as much as digits as its factorization.

47235394620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453 (or 4430 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 47235394620 in words is "forty-seven billion, two hundred thirty-five million, three hundred ninety-four thousand, six hundred twenty".