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13220303200 = 2552131271183
BaseRepresentation
bin11000100111111110…
…11101000101100000
31021010100022222122021
430103333131011200
5204033344200300
610023500551224
7645416503006
oct142377350540
937110288567
1013220303200
115674575515
12268b552514
131328c17420
148d5b14a76
1552596bd1a
hex313fdd160

13220303200 has 72 divisors (see below), whose sum is σ = 34756712928. Its totient is φ = 4881338880.

The previous prime is 13220303197. The next prime is 13220303203. The reversal of 13220303200 is 230302231.

It is an interprime number because it is at equal distance from previous prime (13220303197) and next prime (13220303203).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220303203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625192 + ... + 645991.

It is an arithmetic number, because the mean of its divisors is an integer number (482732124).

Almost surely, 213220303200 is an apocalyptic number.

13220303200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220303200 is an abundant number, since it is smaller than the sum of its proper divisors (21536409728).

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

13220303200 is a wasteful number, since it uses less digits than its factorization.

13220303200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271216 (or 1271203 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 13220303200 its reverse (230302231), we get a palindrome (13450605431).

The spelling of 13220303200 in words is "thirteen billion, two hundred twenty million, three hundred three thousand, two hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 200 208 260 325 400 416 520 650 800 1040 1300 2080 2600 5200 10400 1271183 2542366 5084732 6355915 10169464 12711830 16525379 20338928 25423660 31779575 33050758 40677856 50847320 63559150 66101516 82626895 101694640 127118300 132203032 165253790 203389280 254236600 264406064 330507580 413134475 508473200 528812128 661015160 826268950 1016946400 1322030320 1652537900 2644060640 3305075800 6610151600 13220303200