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47220132960 = 2532571113174147
BaseRepresentation
bin101011111110100010…
…100000110001100000
311111212212000021221100
4223332202200301200
51233201323223320
633405335154400
73261105336060
oct537642406140
9144785007840
1047220132960
1119031596880
129199b15a00
1345b6b715a0
1423dd46b3a0
1513657d5790
hexafe8a0c60

47220132960 has 2304 divisors, whose sum is σ = 239661047808. Its totient is φ = 8139571200.

The previous prime is 47220132941. The next prime is 47220133033. The reversal of 47220132960 is 6923102274.

47220132960 is a `hidden beast` number, since 4 + 72 + 201 + 329 + 60 = 666.

It is a super-3 number, since 3×472201329603 (a number of 33 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1004683657 + ... + 1004683703.

It is an arithmetic number, because the mean of its divisors is an integer number (104019552).

Almost surely, 247220132960 is an apocalyptic number.

47220132960 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 47220132960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119830523904).

47220132960 is an abundant number, since it is smaller than the sum of its proper divisors (192440914848).

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

47220132960 is a wasteful number, since it uses less digits than its factorization.

47220132960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 47220132960 in words is "forty-seven billion, two hundred twenty million, one hundred thirty-two thousand, nine hundred sixty".