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2311001330320 = 24528887516629
BaseRepresentation
bin100001101000010010011…
…010011101001010010000
322011221002122201100210201
4201220102122131022100
5300330412320032240
64525354230504544
7325651524123634
oct41502232351220
98157078640721
102311001330320
118110aa004411
12313a79805154
13139c07664c97
147dbd2b2adc4
15401ab3ded9a
hex21a1269d290

2311001330320 has 20 divisors (see below), whose sum is σ = 5373078093180. Its totient is φ = 924400532096.

The previous prime is 2311001330311. The next prime is 2311001330327. The reversal of 2311001330320 is 230331001132.

It can be written as a sum of positive squares in 2 ways, for example, as 849958612624 + 1461042717696 = 921932^2 + 1208736^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2311001330327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14443758235 + ... + 14443758394.

It is an arithmetic number, because the mean of its divisors is an integer number (268653904659).

Almost surely, 22311001330320 is an apocalyptic number.

2311001330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311001330320 is an abundant number, since it is smaller than the sum of its proper divisors (3062076762860).

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

2311001330320 is a wasteful number, since it uses less digits than its factorization.

2311001330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28887516642 (or 28887516636 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 2311001330320 its reverse (230331001132), we get a palindrome (2541332331452).

The spelling of 2311001330320 in words is "two trillion, three hundred eleven billion, one million, three hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 28887516629 57775033258 115550066516 144437583145 231100133032 288875166290 462200266064 577750332580 1155500665160 2311001330320