Search a number
-
+
42180547168 = 251318142099
BaseRepresentation
bin100111010010001010…
…000001001001100000
311000212122010210212201
4213102022001021200
51142341210002133
631213311302544
73022162510114
oct472212011140
9130778123781
1042180547168
1116985901441
12821221aa54
133c92a62866
142082023744
15116d15ed7d
hex9d2281260

42180547168 has 12 divisors (see below), whose sum is σ = 83042952300. Its totient is φ = 21090273568.

The previous prime is 42180547121. The next prime is 42180547187. The reversal of 42180547168 is 86174508124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659071018 + ... + 659071081.

It is an arithmetic number, because the mean of its divisors is an integer number (6920246025).

Almost surely, 242180547168 is an apocalyptic number.

It is an amenable number.

42180547168 is a deficient number, since it is larger than the sum of its proper divisors (40862405132).

42180547168 is a wasteful number, since it uses less digits than its factorization.

42180547168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318142109 (or 1318142101 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 42180547168 in words is "forty-two billion, one hundred eighty million, five hundred forty-seven thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 32 1318142099 2636284198 5272568396 10545136792 21090273584 42180547168