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13220222000 = 24536610111
BaseRepresentation
bin11000100111111110…
…01001010000110000
31021010100011212020212
430103333021100300
5204033334101000
610023455123252
7645416014166
oct142377112060
937110155225
1013220222000
11567451a507
12268b513528
131328bb948b
148d5ad3236
15525952c35
hex313fc9430

13220222000 has 40 divisors (see below), whose sum is σ = 31966501632. Its totient is φ = 5288088000.

The previous prime is 13220221991. The next prime is 13220222009. The reversal of 13220222000 is 22202231.

It is an interprime number because it is at equal distance from previous prime (13220221991) and next prime (13220222009).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13220222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3303056 + ... + 3307055.

Almost surely, 213220222000 is an apocalyptic number.

13220222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220222000 is an abundant number, since it is smaller than the sum of its proper divisors (18746279632).

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

13220222000 is an equidigital number, since it uses as much as digits as its factorization.

13220222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610134 (or 6610118 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 13220222000 its reverse (22202231), we get a palindrome (13242424231).

The spelling of 13220222000 in words is "thirteen billion, two hundred twenty million, two hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 6610111 13220222 26440444 33050555 52880888 66101110 105761776 132202220 165252775 264404440 330505550 528808880 661011100 826263875 1322022200 1652527750 2644044400 3305055500 6610111000 13220222000