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47000000847 = 3653187112823
BaseRepresentation
bin101011110001011010…
…110001100101001111
311111022111210102110010
4223301122301211033
51232224000011342
633331433044303
73252463262352
oct536132614517
9144274712403
1047000000847
1118a29303308
129138256693
1345803889b7
1423bc128299
15135130129c
hexaf16b194f

47000000847 has 16 divisors (see below), whose sum is σ = 62801077248. Its totient is φ = 31266190560.

The previous prime is 47000000821. The next prime is 47000000849. The reversal of 47000000847 is 74800000074.

It is not a de Polignac number, because 47000000847 - 218 = 46999738703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47000000849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3658878 + ... + 3671700.

It is an arithmetic number, because the mean of its divisors is an integer number (3925067328).

Almost surely, 247000000847 is an apocalyptic number.

47000000847 is a deficient number, since it is larger than the sum of its proper divisors (15801076401).

47000000847 is a wasteful number, since it uses less digits than its factorization.

47000000847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15350.

The product of its (nonzero) digits is 6272, while the sum is 30.

The spelling of 47000000847 in words is "forty-seven billion, eight hundred forty-seven", and thus it is an aban number.

Divisors: 1 3 653 1871 1959 5613 12823 38469 1221763 3665289 8373419 23991833 25120257 71975499 15666666949 47000000847