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253310213220 = 223560117474021
BaseRepresentation
bin1110101111101001110…
…1110001110001100100
3220012211121212002222220
43223322131301301210
513122234403310340
6312211420552340
724205156200111
oct3537235616144
9805747762886
10253310213220
1198479014459
12411150b26b0
131ab6bb08b3c
14c3902c9908
1568c8737ed0
hex3afa771c64

253310213220 has 96 divisors (see below), whose sum is σ = 711032198016. Its totient is φ = 67381632000.

The previous prime is 253310213197. The next prime is 253310213227. The reversal of 253310213220 is 22312013352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (253310213227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62994810 + ... + 62998830.

It is an arithmetic number, because the mean of its divisors is an integer number (7406585396).

Almost surely, 2253310213220 is an apocalyptic number.

253310213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253310213220 is an abundant number, since it is smaller than the sum of its proper divisors (457721984796).

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

253310213220 is a wasteful number, since it uses less digits than its factorization.

253310213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6379 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 253310213220 its reverse (22312013352), we get a palindrome (275622226572).

The spelling of 253310213220 in words is "two hundred fifty-three billion, three hundred ten million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 601 1202 1747 1803 2404 3005 3494 3606 4021 5241 6010 6988 7212 8042 8735 9015 10482 12020 12063 16084 17470 18030 20105 20964 24126 26205 34940 36060 40210 48252 52410 60315 80420 104820 120630 241260 1049947 2099894 2416621 3149841 4199788 4833242 5249735 6299682 7024687 7249863 9666484 10499470 12083105 12599364 14049374 14499726 15749205 20998940 21074061 24166210 28098748 28999452 31498410 35123435 36249315 42148122 48332420 62996820 70246870 72498630 84296244 105370305 140493740 144997260 210740610 421481220 4221836887 8443673774 12665510661 16887347548 21109184435 25331021322 42218368870 50662042644 63327553305 84436737740 126655106610 253310213220