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47255399520 = 25357374173127
BaseRepresentation
bin101100000000101001…
…000010110001100000
311111222022101000120020
4230000221002301200
51233234340241040
633413035113440
73262014161040
oct540051026140
9144868330506
1047255399520
111904a49409a
1291a98a2880
1345c126b784
14240400b720
15136894ecd0
hexb00a42c60

47255399520 has 768 divisors, whose sum is σ = 182859005952. Its totient is φ = 10032906240.

The previous prime is 47255399509. The next prime is 47255399531. The reversal of 47255399520 is 2599355274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47255399509) and next prime (47255399531).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 372089697 + ... + 372089823.

It is an arithmetic number, because the mean of its divisors is an integer number (238097664).

Almost surely, 247255399520 is an apocalyptic number.

47255399520 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 47255399520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91429502976).

47255399520 is an abundant number, since it is smaller than the sum of its proper divisors (135603606432).

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

47255399520 is a wasteful number, since it uses less digits than its factorization.

47255399520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 51.

The spelling of 47255399520 in words is "forty-seven billion, two hundred fifty-five million, three hundred ninety-nine thousand, five hundred twenty".