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47061286445 = 573323815393
BaseRepresentation
bin101011110101000100…
…100011111000101101
311111110210010001111002
4223311010203320231
51232340142131240
633341502410045
73254136222515
oct536504437055
9144423101432
1047061286445
1118a5a962068
129154890925
13458cc95b74
1423c631c845
1513568a9d15
hexaf5123e2d

47061286445 has 16 divisors (see below), whose sum is σ = 56584829232. Its totient is φ = 37574906880.

The previous prime is 47061286417. The next prime is 47061286477. The reversal of 47061286445 is 54468216074.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1095212836 + 45966073609 = 33094^2 + 214397^2 .

It is not a de Polignac number, because 47061286445 - 224 = 47044509229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47061286445.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8723669 + ... + 8729061.

It is an arithmetic number, because the mean of its divisors is an integer number (3536551827).

Almost surely, 247061286445 is an apocalyptic number.

It is an amenable number.

47061286445 is a deficient number, since it is larger than the sum of its proper divisors (9523542787).

47061286445 is a wasteful number, since it uses less digits than its factorization.

47061286445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 47061286445 in words is "forty-seven billion, sixty-one million, two hundred eighty-six thousand, four hundred forty-five".

Divisors: 1 5 733 2381 3665 5393 11905 26965 1745273 3953069 8726365 12840733 19765345 64203665 9412257289 47061286445