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47867984791 = 116177052893
BaseRepresentation
bin101100100101001001…
…110111101110010111
311120120000001120120121
4230211021313232113
51241013201003131
633553521012411
73313133104654
oct544511675627
9146500046517
1047867984791
1119334258510
12933aa84107
13468b152873
14246150cc2b
1513a2606911
hexb25277b97

47867984791 has 8 divisors (see below), whose sum is σ = 52304261904. Its totient is φ = 43445814720.

The previous prime is 47867984789. The next prime is 47867984797. The reversal of 47867984791 is 19748976874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47867984791 - 21 = 47867984789 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 47867984791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47867984797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3519660 + ... + 3533233.

It is an arithmetic number, because the mean of its divisors is an integer number (6538032738).

Almost surely, 247867984791 is an apocalyptic number.

47867984791 is a deficient number, since it is larger than the sum of its proper divisors (4436277113).

47867984791 is a wasteful number, since it uses less digits than its factorization.

47867984791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053521.

The product of its digits is 170698752, while the sum is 70.

The spelling of 47867984791 in words is "forty-seven billion, eight hundred sixty-seven million, nine hundred eighty-four thousand, seven hundred ninety-one".

Divisors: 1 11 617 6787 7052893 77581823 4351634981 47867984791