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13302212220 = 223251131216719
BaseRepresentation
bin11000110001101111…
…11010011001111100
31021100001110101200200
430120313322121330
5204220331242340
610035544323500
7650432636553
oct143067723174
937301411620
1013302212220
11570682aa20
1226b2a73590
13133cb956bb
14902956d9a
1552cc4b330
hex318dfa67c

13302212220 has 144 divisors (see below), whose sum is σ = 45438382080. Its totient is φ = 3120739200.

The previous prime is 13302212201. The next prime is 13302212243. The reversal of 13302212220 is 2221220331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13302212193 and 13302212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46980 + ... + 169739.

It is an arithmetic number, because the mean of its divisors is an integer number (315544320).

Almost surely, 213302212220 is an apocalyptic number.

13302212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13302212220 is an abundant number, since it is smaller than the sum of its proper divisors (32136169860).

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

13302212220 is a wasteful number, since it uses less digits than its factorization.

13302212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216776 (or 216771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13302212220 its reverse (2221220331), we get a palindrome (15523432551).

It can be divided in two parts, 13302 and 212220, that added together give a palindrome (225522).

The spelling of 13302212220 in words is "thirteen billion, three hundred two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 31 33 36 44 45 55 60 62 66 90 93 99 110 124 132 155 165 180 186 198 220 279 310 330 341 372 396 465 495 558 620 660 682 930 990 1023 1116 1364 1395 1705 1860 1980 2046 2790 3069 3410 4092 5115 5580 6138 6820 10230 12276 15345 20460 30690 61380 216719 433438 650157 866876 1083595 1300314 1950471 2167190 2383909 2600628 3250785 3900942 4334380 4767818 6501570 6718289 7151727 7801884 9535636 9752355 11919545 13003140 13436578 14303454 19504710 20154867 21455181 23839090 26873156 28606908 33591445 35758635 39009420 40309734 42910362 47678180 60464601 67182890 71517270 73901179 80619468 85820724 100774335 107275905 120929202 134365780 143034540 147802358 201548670 214551810 221703537 241858404 295604716 302323005 369505895 403097340 429103620 443407074 604646010 665110611 739011790 886814148 1108517685 1209292020 1330221222 1478023580 2217035370 2660442444 3325553055 4434070740 6651106110 13302212220