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47909315382 = 2329275340893
BaseRepresentation
bin101100100111100111…
…100010001100110110
311120122212211101111020
4230213213202030312
51241104241043012
634001554522010
73314144314215
oct544747421466
9146585741436
1047909315382
1119355617825
129350896306
134696893c36
142466bcb07c
1513a606ca8c
hexb279e2336

47909315382 has 16 divisors (see below), whose sum is σ = 99122721840. Its totient is φ = 15419089952.

The previous prime is 47909315371. The next prime is 47909315401. The reversal of 47909315382 is 28351390974.

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 7 ways as a sum of consecutive naturals, for example, 137670273 + ... + 137670620.

It is an arithmetic number, because the mean of its divisors is an integer number (6195170115).

Almost surely, 247909315382 is an apocalyptic number.

47909315382 is an abundant number, since it is smaller than the sum of its proper divisors (51213406458).

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

47909315382 is a wasteful number, since it uses less digits than its factorization.

47909315382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275340927.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 47909315382 in words is "forty-seven billion, nine hundred nine million, three hundred fifteen thousand, three hundred eighty-two".

Divisors: 1 2 3 6 29 58 87 174 275340893 550681786 826022679 1652045358 7984885897 15969771794 23954657691 47909315382