Search a number
-
+
5481351780892 = 2213113932837267
BaseRepresentation
bin100111111000011101000…
…0001101001101000011100
3201102000022211102011011221
41033300322001221220130
51204301302023442032
615354033115423124
71104005002251001
oct117607201515034
921360284364157
105481351780892
1118236a01aaa29
127463a5754aa4
13309b73902260
1414d4280438a8
15978b1106597
hex4fc3a069a1c

5481351780892 has 24 divisors (see below), whose sum is σ = 10421657958096. Its totient is φ = 2507466571008.

The previous prime is 5481351780869. The next prime is 5481351780893. The reversal of 5481351780892 is 2980871531845.

It is a self number, because there is not a number n which added to its sum of digits gives 5481351780892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481351780893) 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, 466412758 + ... + 466424509.

It is an arithmetic number, because the mean of its divisors is an integer number (434235748254).

Almost surely, 25481351780892 is an apocalyptic number.

5481351780892 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5481351780892 is a deficient number, since it is larger than the sum of its proper divisors (4940306177204).

5481351780892 is a wasteful number, since it uses less digits than its factorization.

5481351780892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932837397 (or 932837395 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 5481351780892 in words is "five trillion, four hundred eighty-one billion, three hundred fifty-one million, seven hundred eighty thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 52 113 226 452 1469 2938 5876 932837267 1865674534 3731349068 12126884471 24253768942 48507537884 105410611171 210821222342 421642444684 1370337945223 2740675890446 5481351780892