Search a number
-
+
74178786214 = 213231631973863
BaseRepresentation
bin100010100010101100…
…1100111001110100110
321002110122110202220101
41011011121213032212
52203404232124324
654024404454314
75234135164561
oct1050531471646
9232418422811
1074178786214
1129505a99aa5
12124623aa39a
136cc2106610
1438399c94d8
151de23ee944
hex11456673a6

74178786214 has 64 divisors (see below), whose sum is σ = 126475582464. Its totient is φ = 32373323136.

The previous prime is 74178786211. The next prime is 74178786223. The reversal of 74178786214 is 41268787147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74178786211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19200447 + ... + 19204309.

It is an arithmetic number, because the mean of its divisors is an integer number (1976180976).

Almost surely, 274178786214 is an apocalyptic number.

74178786214 is a deficient number, since it is larger than the sum of its proper divisors (52296796250).

74178786214 is a wasteful number, since it uses less digits than its factorization.

74178786214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261.

The product of its digits is 4214784, while the sum is 55.

The spelling of 74178786214 in words is "seventy-four billion, one hundred seventy-eight million, seven hundred eighty-six thousand, two hundred fourteen".

Divisors: 1 2 13 23 26 46 163 197 299 326 394 598 2119 2561 3749 3863 4238 4531 5122 7498 7726 9062 32111 48737 50219 58903 64222 88849 97474 100438 117806 177698 417443 629669 738553 761011 834886 1155037 1259338 1477106 1522022 2310074 8185697 9601189 9893143 14482387 16371394 17503253 19202378 19786286 28964774 35006506 124044793 188271031 227542289 248089586 376542062 455084578 1612582309 2853030239 3225164618 5706060478 37089393107 74178786214