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47854815105 = 3523138709609
BaseRepresentation
bin101100100100010111…
…101000011110000001
311120112002021111011110
4230210113220132001
51241001313040410
633552330433533
73312613134246
oct544427503601
9146462244143
1047854815105
1119327882979
1293365928a9
1346884c1356
14245d8815cd
1513a13a4720
hexb245e8781

47854815105 has 16 divisors (see below), whose sum is σ = 79896735360. Its totient is φ = 24412891008.

The previous prime is 47854815083. The next prime is 47854815119. The reversal of 47854815105 is 50151845874.

It is not a de Polignac number, because 47854815105 - 28 = 47854814849 is a prime.

It is a super-2 number, since 2×478548151052 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69354460 + ... + 69355149.

It is an arithmetic number, because the mean of its divisors is an integer number (4993545960).

Almost surely, 247854815105 is an apocalyptic number.

It is an amenable number.

47854815105 is a deficient number, since it is larger than the sum of its proper divisors (32041920255).

47854815105 is a wasteful number, since it uses less digits than its factorization.

47854815105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138709640.

The product of its (nonzero) digits is 896000, while the sum is 48.

The spelling of 47854815105 in words is "forty-seven billion, eight hundred fifty-four million, eight hundred fifteen thousand, one hundred five".

Divisors: 1 3 5 15 23 69 115 345 138709609 416128827 693548045 2080644135 3190321007 9570963021 15951605035 47854815105