Search a number
-
+
74241420972 = 2236186785081
BaseRepresentation
bin100010100100100100…
…0100010111010101100
321002122000022221122020
41011021020202322230
52204021300432342
654034523150140
75235525444315
oct1051110427254
9232560287566
1074241420972
112953838a464
121247b375350
1370020968c4
14384405160c
151de7b730ec
hex1149222eac

74241420972 has 12 divisors (see below), whose sum is σ = 173229982296. Its totient is φ = 24747140320.

The previous prime is 74241420961. The next prime is 74241420973. The reversal of 74241420972 is 27902414247.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (74241420973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093392529 + ... + 3093392552.

It is an arithmetic number, because the mean of its divisors is an integer number (14435831858).

Almost surely, 274241420972 is an apocalyptic number.

It is an amenable number.

74241420972 is an abundant number, since it is smaller than the sum of its proper divisors (98988561324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74241420972 is a wasteful number, since it uses less digits than its factorization.

74241420972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6186785088 (or 6186785086 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 74241420972 in words is "seventy-four billion, two hundred forty-one million, four hundred twenty thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 6186785081 12373570162 18560355243 24747140324 37120710486 74241420972