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2867200000000 = 220587
BaseRepresentation
bin101001101110010010011…
…100000000000000000000
3101011002202002122021220121
4221232102130000000000
5333434011200000000
610033101250350024
7414101613611320
oct51562234000000
911132662567817
102867200000000
11a05a7771a166
123a382358b314
1317a4b682b14b
149cab7a07280
154e8b0b95b1a
hex29b92700000

2867200000000 has 378 divisors, whose sum is σ = 8191991899448. Its totient is φ = 983040000000.

The previous prime is 2867199999973. The next prime is 2867200000003. The reversal of 2867200000000 is 27682.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867200000003) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 409599999997 + ... + 409600000003.

Almost surely, 22867200000000 is an apocalyptic number.

2867200000000 is a gapful number since it is divisible by the number (20) 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 2867200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095995949724).

2867200000000 is an abundant number, since it is smaller than the sum of its proper divisors (5324791899448).

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

2867200000000 is an frugal number, since it uses more digits than its factorization.

2867200000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 2867200000000 its reverse (27682), we get a palindrome (2867200027682).

The spelling of 2867200000000 in words is "two trillion, eight hundred sixty-seven billion, two hundred million", and thus it is an aban number.