Search a number
-
+
75780180268 = 22131457311159
BaseRepresentation
bin100011010010011011…
…0011100100100101100
321020121020210000120021
41012210312130210230
52220144211232033
654451332131524
75321621622112
oct1064466344454
9236536700507
1075780180268
112a157a33061
121282a766ba4
1371b8b09a70
14394c563ab2
151e87cc6b2d
hex11a4d9c92c

75780180268 has 12 divisors (see below), whose sum is σ = 142816493680. Its totient is φ = 34975467792.

The previous prime is 75780180247. The next prime is 75780180283. The reversal of 75780180268 is 86208108757.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 1457311159 = 75780180268 / (7 + 5 + 7 + 8 + 0 + 1 + 8 + 0 + 2 + 6 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728655528 + ... + 728655631.

Almost surely, 275780180268 is an apocalyptic number.

It is an amenable number.

75780180268 is a deficient number, since it is larger than the sum of its proper divisors (67036313412).

75780180268 is a wasteful number, since it uses less digits than its factorization.

75780180268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457311176 (or 1457311174 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 75780180268 in words is "seventy-five billion, seven hundred eighty million, one hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 52 1457311159 2914622318 5829244636 18945045067 37890090134 75780180268