Search a number
-
+
5311500000 = 253563541
BaseRepresentation
bin1001111001001011…
…10000111011100000
3111201011112011020020
410330211300323200
541334221000000
62235015513440
7245424001512
oct47445607340
914634464206
105311500000
112286226624
121042988880
13668554c11
143855c9bb2
15211487ba0
hex13c970ee0

5311500000 has 168 divisors, whose sum is σ = 17433058104. Its totient is φ = 1416000000.

The previous prime is 5311499981. The next prime is 5311500011. The reversal of 5311500000 is 51135.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1498230 + ... + 1501770.

It is an arithmetic number, because the mean of its divisors is an integer number (103768203).

Almost surely, 25311500000 is an apocalyptic number.

5311500000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5311500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8716529052).

5311500000 is an abundant number, since it is smaller than the sum of its proper divisors (12121558104).

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

5311500000 is an frugal number, since it uses more digits than its factorization.

5311500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3551 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 5311500000 is about 72880.0384193093. The cubic root of 5311500000 is about 1744.7735220014.

Adding to 5311500000 its reverse (51135), we get a palindrome (5311551135).

The spelling of 5311500000 in words is "five billion, three hundred eleven million, five hundred thousand".