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47220642216 = 23321159622023
BaseRepresentation
bin101011111110100100…
…011101000110101000
311111212212222011111200
4223332210131012220
51233201441022331
633405354124200
73261112556556
oct537644350650
9144785864450
1047220642216
1119031904450
12919a120660
1345b6cbc317
1423dd560bd6
1513658865e6
hexafe91d1a8

47220642216 has 48 divisors (see below), whose sum is σ = 139515536160. Its totient is φ = 14309285280.

The previous prime is 47220642199. The next prime is 47220642281. The reversal of 47220642216 is 61224602274.

47220642216 is a `hidden beast` number, since 4 + 7 + 2 + 2 + 0 + 642 + 2 + 1 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29810220 + ... + 29811803.

It is an arithmetic number, because the mean of its divisors is an integer number (2906573670).

Almost surely, 247220642216 is an apocalyptic number.

It is an amenable number.

47220642216 is an abundant number, since it is smaller than the sum of its proper divisors (92294893944).

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

47220642216 is a wasteful number, since it uses less digits than its factorization.

47220642216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59622046 (or 59622039 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 47220642216 in words is "forty-seven billion, two hundred twenty million, six hundred forty-two thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 59622023 119244046 178866069 238488092 357732138 476976184 536598207 655842253 715464276 1073196414 1311684506 1430928552 1967526759 2146392828 2623369012 3935053518 4292785656 5246738024 5902580277 7870107036 11805160554 15740214072 23610321108 47220642216