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13302121031220 = 2235724524530963
BaseRepresentation
bin1100000110010010010000…
…1100101110011000110100
31202002200002200112002212110
43001210210030232120310
53220420220440444340
644142524322451020
72542021650113400
oct301444414563064
952080080462773
1013302121031220
11426944159a15a
1215aa059503a70
13756500059788
1433db7cb2a100
15181043164680
hexc192432e634

13302121031220 has 72 divisors (see below), whose sum is σ = 43326908511264. Its totient is φ = 3040484806464.

The previous prime is 13302121031219. The next prime is 13302121031261. The reversal of 13302121031220 is 2213012120331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2262262542 + ... + 2262268421.

It is an arithmetic number, because the mean of its divisors is an integer number (601762618212).

Almost surely, 213302121031220 is an apocalyptic number.

13302121031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13302121031220 is an abundant number, since it is smaller than the sum of its proper divisors (30024787480044).

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

13302121031220 is a wasteful number, since it uses less digits than its factorization.

13302121031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524530989 (or 4524530980 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13302121031220 its reverse (2213012120331), we get a palindrome (15515133151551).

The spelling of 13302121031220 in words is "thirteen trillion, three hundred two billion, one hundred twenty-one million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 4524530963 9049061926 13573592889 18098123852 22622654815 27147185778 31671716741 45245309630 54294371556 63343433482 67867964445 90490619260 95015150223 126686866964 135735928890 158358583705 190030300446 221702017187 271471857780 316717167410 380060600892 443404034374 475075751115 633434334820 665106051561 886808068748 950151502230 1108510085935 1330212103122 1900303004460 2217020171870 2660424206244 3325530257805 4434040343740 6651060515610 13302121031220