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216450024060 = 223513127538171
BaseRepresentation
bin1100100110010101101…
…1010100001001111100
3202200200202220111020210
43021211123110021330
512021242201232220
6243234043112420
721431555563554
oct3114533241174
9680622814223
10216450024060
1183883439806
1235b48812710
13175463b001a
14a694b1a164
15596c7106e0
hex32656d427c

216450024060 has 48 divisors (see below), whose sum is σ = 610686502272. Its totient is φ = 57279393600.

The previous prime is 216450024041. The next prime is 216450024061. The reversal of 216450024060 is 60420054612.

216450024060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2164500240602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216450024061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13761226 + ... + 13776945.

It is an arithmetic number, because the mean of its divisors is an integer number (12722635464).

Almost surely, 2216450024060 is an apocalyptic number.

216450024060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216450024060 is an abundant number, since it is smaller than the sum of its proper divisors (394236478212).

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

216450024060 is a wasteful number, since it uses less digits than its factorization.

216450024060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27538314 (or 27538312 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 216450024060 its reverse (60420054612), we get a palindrome (276870078672).

The spelling of 216450024060 in words is "two hundred sixteen billion, four hundred fifty million, twenty-four thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 131 262 393 524 655 786 1310 1572 1965 2620 3930 7860 27538171 55076342 82614513 110152684 137690855 165229026 275381710 330458052 413072565 550763420 826145130 1652290260 3607500401 7215000802 10822501203 14430001604 18037502005 21645002406 36075004010 43290004812 54112506015 72150008020 108225012030 216450024060