Search a number
-
+
47719434782045 = 51319291332386843
BaseRepresentation
bin10101101100110100010111…
…11101011000010101011101
320020221221012110100121102002
422312122023331120111131
522223313400301011140
6245254001122012045
713023421036051505
oct1266321375302535
9206857173317362
1047719434782045
1114228775989454
12542841a1a7025
132081c008c9850
14bad8c0c0aa05
1557b45a7e2415
hex2b668bf5855d

47719434782045 has 32 divisors (see below), whose sum is σ = 67152296937600. Its totient is φ = 32233102481664.

The previous prime is 47719434782029. The next prime is 47719434782077. The reversal of 47719434782045 is 54028743491774.

It is a cyclic number.

It is not a de Polignac number, because 47719434782045 - 24 = 47719434782029 is a prime.

It is a super-2 number, since 2×477194347820452 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666157607 + ... + 666229236.

It is an arithmetic number, because the mean of its divisors is an integer number (2098509279300).

Almost surely, 247719434782045 is an apocalyptic number.

It is an amenable number.

47719434782045 is a deficient number, since it is larger than the sum of its proper divisors (19432862155555).

47719434782045 is a wasteful number, since it uses less digits than its factorization.

47719434782045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332386909.

The product of its (nonzero) digits is 189665280, while the sum is 65.

The spelling of 47719434782045 in words is "forty-seven trillion, seven hundred nineteen billion, four hundred thirty-four million, seven hundred eighty-two thousand, forty-five".

Divisors: 1 5 13 19 29 65 95 145 247 377 551 1235 1885 2755 7163 35815 1332386843 6661934215 17321028959 25315350017 38639218447 86605144795 126576750085 193196092235 329099550221 502309839811 734145150493 1645497751105 2511549199055 3670725752465 9543886956409 47719434782045