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5185408078 = 213718924847
BaseRepresentation
bin1001101010001001…
…10000110001001110
3111101101021000122001
410311010300301032
541104431024303
62214313142514
7242333145544
oct46504606116
914341230561
105185408078
112221033924
1210086baa3a
136483a7206
14372965d94
1520537c31d
hex135130c4e

5185408078 has 8 divisors (see below), whose sum is σ = 7834887072. Its totient is φ = 2573779056.

The previous prime is 5185408069. The next prime is 5185408079. The reversal of 5185408078 is 8708045815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185408079) 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, 9462150 + ... + 9462697.

It is an arithmetic number, because the mean of its divisors is an integer number (979360884).

Almost surely, 25185408078 is an apocalyptic number.

5185408078 is a deficient number, since it is larger than the sum of its proper divisors (2649478994).

5185408078 is a wasteful number, since it uses less digits than its factorization.

5185408078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18924986.

The product of its (nonzero) digits is 358400, while the sum is 46.

The square root of 5185408078 is about 72009.7776555379. Note that the first 3 decimals coincide. The cubic root of 5185408078 is about 1730.8561677060.

The spelling of 5185408078 in words is "five billion, one hundred eighty-five million, four hundred eight thousand, seventy-eight".

Divisors: 1 2 137 274 18924847 37849694 2592704039 5185408078