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13321411620 = 22351120183957
BaseRepresentation
bin11000110100000010…
…01001110000100100
31021101101120211022120
430122001021300210
5204240240132440
610041512025540
7651055062516
oct143201116044
937341524276
1013321411620
1157166537a0
1226b93922b0
131343b585aa
14905313bb6
1552e78edd0
hex31a049c24

13321411620 has 48 divisors (see below), whose sum is σ = 40690859328. Its totient is φ = 3229432960.

The previous prime is 13321411601. The next prime is 13321411637. The reversal of 13321411620 is 2611412331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10091319 + ... + 10092638.

It is an arithmetic number, because the mean of its divisors is an integer number (847726236).

Almost surely, 213321411620 is an apocalyptic number.

13321411620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13321411620 is an abundant number, since it is smaller than the sum of its proper divisors (27369447708).

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

13321411620 is a wasteful number, since it uses less digits than its factorization.

13321411620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183980 (or 20183978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 13321411620 its reverse (2611412331), we get a palindrome (15932823951).

The spelling of 13321411620 in words is "thirteen billion, three hundred twenty-one million, four hundred eleven thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 20183957 40367914 60551871 80735828 100919785 121103742 201839570 222023527 242207484 302759355 403679140 444047054 605518710 666070581 888094108 1110117635 1211037420 1332141162 2220235270 2664282324 3330352905 4440470540 6660705810 13321411620