Search a number
-
+
47100392685 = 3256179721529
BaseRepresentation
bin101011110111011001…
…101111010011101101
311111120111200212011100
4223313121233103231
51232430200031220
633345420513313
73255122506053
oct536731572355
9144514625140
1047100392685
1118a7aa42175
1291659ab839
134598108958
1423cb5bc1d3
15135a031d90
hexaf766f4ed

47100392685 has 48 divisors (see below), whose sum is σ = 83087025840. Its totient is φ = 24676254720.

The previous prime is 47100392681. The next prime is 47100392693. The reversal of 47100392685 is 58629300174.

It can be written as a sum of positive squares in 8 ways, for example, as 13480603236 + 33619789449 = 116106^2 + 183357^2 .

It is not a de Polignac number, because 47100392685 - 22 = 47100392681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 47100392685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47100392681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2177001 + ... + 2198529.

It is an arithmetic number, because the mean of its divisors is an integer number (1730979705).

It is a 1-persistent number, because it is pandigital, but 2⋅47100392685 = 94200785370 is not.

Almost surely, 247100392685 is an apocalyptic number.

47100392685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47100392685 is a deficient number, since it is larger than the sum of its proper divisors (35986633155).

47100392685 is a wasteful number, since it uses less digits than its factorization.

47100392685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22398 (or 22395 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 47100392685 in words is "forty-seven billion, one hundred million, three hundred ninety-two thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 45 61 183 305 549 797 915 2391 2745 3985 7173 11955 21529 35865 48617 64587 107645 145851 193761 243085 322935 437553 729255 968805 1313269 2187765 3939807 6566345 11819421 17158613 19699035 51475839 59097105 85793065 154427517 257379195 772137585 1046675393 3140026179 5233376965 9420078537 15700130895 47100392685