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2201212104 = 233731367307
BaseRepresentation
bin1000001100110011…
…1101010011001000
312200101222011100020
42003030331103020
514002002241404
61002231340440
7105355665000
oct20314752310
95611864306
102201212104
11a2a588263
12515221720
13291067290
1416c4b5000
15cd3aaed9
hex8333d4c8

2201212104 has 256 divisors, whose sum is σ = 7037184000. Its totient is φ = 570011904.

The previous prime is 2201212093. The next prime is 2201212109. The reversal of 2201212104 is 4012121022.

It is a super-2 number, since 2×22012121042 = 9690669453592213632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201212109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7169919 + ... + 7170225.

It is an arithmetic number, because the mean of its divisors is an integer number (27489000).

Almost surely, 22201212104 is an apocalyptic number.

2201212104 is a gapful number since it is divisible by the number (24) 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 2201212104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3518592000).

2201212104 is an abundant number, since it is smaller than the sum of its proper divisors (4835971896).

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

2201212104 is a wasteful number, since it uses less digits than its factorization.

2201212104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2201212104 is about 46917.0768910426. The cubic root of 2201212104 is about 1300.8302593764.

Adding to 2201212104 its reverse (4012121022), we get a palindrome (6213333126).

The spelling of 2201212104 in words is "two billion, two hundred one million, two hundred twelve thousand, one hundred four".