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47887840340 = 2254750944511
BaseRepresentation
bin101100100110010101…
…100111010001010100
311120121101102100021022
4230212111213101110
51241033241342330
633555510340312
73313463632604
oct544625472124
9146541370238
1047887840340
111934448a25a
12934565a698
1346922b5302
142463ddac04
1513a4229ae5
hexb26567454

47887840340 has 24 divisors (see below), whose sum is σ = 102704136192. Its totient is φ = 18747579680.

The previous prime is 47887840339. The next prime is 47887840423. The reversal of 47887840340 is 4304878874.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25471316 + ... + 25473195.

It is an arithmetic number, because the mean of its divisors is an integer number (4279339008).

Almost surely, 247887840340 is an apocalyptic number.

It is an amenable number.

47887840340 is an abundant number, since it is smaller than the sum of its proper divisors (54816295852).

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

47887840340 is a wasteful number, since it uses less digits than its factorization.

47887840340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50944567 (or 50944565 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 53.

The spelling of 47887840340 in words is "forty-seven billion, eight hundred eighty-seven million, eight hundred forty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 50944511 101889022 203778044 254722555 509445110 1018890220 2394392017 4788784034 9577568068 11971960085 23943920170 47887840340