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5418778147 = 42112871207
BaseRepresentation
bin1010000101111101…
…11111111000100011
3111222122101110011221
411002332333320203
542044201400042
62253411115511
7251165566006
oct50276777043
914878343157
105418778147
112330839252
1210728a2b97
13684846403
1439595353d
1521aac8d67
hex142fbfe23

5418778147 has 4 divisors (see below), whose sum is σ = 5431649776. Its totient is φ = 5405906520.

The previous prime is 5418778129. The next prime is 5418778177. The reversal of 5418778147 is 7418778145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5418778147 - 223 = 5410389539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5418778094 and 5418778103.

It is not an unprimeable number, because it can be changed into a prime (5418778117) 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, 6435183 + ... + 6436024.

It is an arithmetic number, because the mean of its divisors is an integer number (1357912444).

Almost surely, 25418778147 is an apocalyptic number.

5418778147 is a deficient number, since it is larger than the sum of its proper divisors (12871629).

5418778147 is a wasteful number, since it uses less digits than its factorization.

5418778147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12871628.

The product of its digits is 1756160, while the sum is 52.

The square root of 5418778147 is about 73612.3505058764. The cubic root of 5418778147 is about 1756.4419063236.

The spelling of 5418778147 in words is "five billion, four hundred eighteen million, seven hundred seventy-eight thousand, one hundred forty-seven".

Divisors: 1 421 12871207 5418778147