Search a number
-
+
5180380788 = 2231139245309
BaseRepresentation
bin1001101001100011…
…00101011001110100
3111101000210121111010
410310301211121310
541102134141123
62214013312220
7242242336662
oct46461453164
914330717433
105180380788
11221920a840
121006a95670
13647336b9b
14372017c32
15204bd7993
hex134c65674

5180380788 has 24 divisors (see below), whose sum is σ = 13186424160. Its totient is φ = 1569812320.

The previous prime is 5180380787. The next prime is 5180380789. The reversal of 5180380788 is 8870830815.

It is an interprime number because it is at equal distance from previous prime (5180380787) and next prime (5180380789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5180380783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19622523 + ... + 19622786.

It is an arithmetic number, because the mean of its divisors is an integer number (549434340).

Almost surely, 25180380788 is an apocalyptic number.

It is an amenable number.

5180380788 is an abundant number, since it is smaller than the sum of its proper divisors (8006043372).

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

5180380788 is a wasteful number, since it uses less digits than its factorization.

5180380788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39245327 (or 39245325 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The square root of 5180380788 is about 71974.8621950747. The cubic root of 5180380788 is about 1730.2966277207.

The spelling of 5180380788 in words is "five billion, one hundred eighty million, three hundred eighty thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 39245309 78490618 117735927 156981236 235471854 431698399 470943708 863396798 1295095197 1726793596 2590190394 5180380788