Search a number
-
+
74705344485284 = 2218676336121321
BaseRepresentation
bin10000111111000110110001…
…100001010101011110100100
3100210111202112220101212000002
4100333012301201111132210
534242433021142012114
6422515054513440432
721510166035605342
oct2077066141253644
9323452486355002
1074705344485284
11218923a4441277
128466490870118
13328b8b72a2ca6
141463a87c00992
158983cdd597de
hex43f1b18557a4

74705344485284 has 6 divisors (see below), whose sum is σ = 130734352849254. Its totient is φ = 37352672242640.

The previous prime is 74705344485281. The next prime is 74705344485323. The reversal of 74705344485284 is 48258444350747.

It can be written as a sum of positive squares in only one way, i.e., 70218064862884 + 4487279622400 = 8379622^2 + 2118320^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74705344485284.

It is not an unprimeable number, because it can be changed into a prime (74705344485281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9338168060657 + ... + 9338168060664.

It is an arithmetic number, because the mean of its divisors is an integer number (21789058808209).

Almost surely, 274705344485284 is an apocalyptic number.

It is an amenable number.

74705344485284 is a deficient number, since it is larger than the sum of its proper divisors (56029008363970).

74705344485284 is a wasteful number, since it uses less digits than its factorization.

74705344485284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18676336121325 (or 18676336121323 counting only the distinct ones).

The product of its (nonzero) digits is 481689600, while the sum is 65.

The spelling of 74705344485284 in words is "seventy-four trillion, seven hundred five billion, three hundred forty-four million, four hundred eighty-five thousand, two hundred eighty-four".

Divisors: 1 2 4 18676336121321 37352672242642 74705344485284