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5215511230 = 251344138803
BaseRepresentation
bin1001101101101111…
…00110001010111110
3111110110220102101121
410312313212022332
541140132324410
62221310301154
7243150054046
oct46667461276
914413812347
105215511230
112237024866
1210167b77ba
136516b7127
14376960726
15207d269da
hex136de62be

5215511230 has 16 divisors (see below), whose sum is σ = 9388860624. Its totient is φ = 2085995520.

The previous prime is 5215511221. The next prime is 5215511233. The reversal of 5215511230 is 321155125.

It is a super-2 number, since 2×52155112302 = 54403114780512225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5215511195 and 5215511204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215511233) 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, 115009 + ... + 153811.

It is an arithmetic number, because the mean of its divisors is an integer number (586803789).

Almost surely, 25215511230 is an apocalyptic number.

5215511230 is a deficient number, since it is larger than the sum of its proper divisors (4173349394).

5215511230 is a wasteful number, since it uses less digits than its factorization.

5215511230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52251.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 5215511230 is about 72218.4964534710. The cubic root of 5215511230 is about 1734.1991204406.

Adding to 5215511230 its reverse (321155125), we get a palindrome (5536666355).

The spelling of 5215511230 in words is "five billion, two hundred fifteen million, five hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 13441 26882 38803 67205 77606 134410 194015 388030 521551123 1043102246 2607755615 5215511230