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13212270000 = 243254732011
BaseRepresentation
bin11000100111000001…
…10011110110110000
31021002210012212011100
430103200303312300
5204024320120000
610023012444400
7645261304416
oct142340636660
937083185140
1013212270000
11566aa89006
122688919700
131327363b57
148d4a232b6
15524dd1a00
hex313833db0

13212270000 has 300 divisors, whose sum is σ = 46861455784. Its totient is φ = 3473280000.

The previous prime is 13212269981. The next prime is 13212270017. The reversal of 13212270000 is 7221231.

It is a tau number, because it is divible by the number of its divisors (300).

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

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6568995 + ... + 6571005.

Almost surely, 213212270000 is an apocalyptic number.

13212270000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23430727892).

13212270000 is an abundant number, since it is smaller than the sum of its proper divisors (33649185784).

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

13212270000 is a wasteful number, since it uses less digits than its factorization.

13212270000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

Adding to 13212270000 its reverse (7221231), we get a palindrome (13219491231).

The spelling of 13212270000 in words is "thirteen billion, two hundred twelve million, two hundred seventy thousand".