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2215116620620 = 225110755831031
BaseRepresentation
bin100000001110111111001…
…111010100001101001100
321211202121021201102120021
4200032333033110031030
5242243024323324440
64413335512431524
7316015440416221
oct40167717241514
97752537642507
102215116620620
11784475647882
122b937a0a85a4
13130b66612277
14792d8471948
153c94860084a
hex203bf3d434c

2215116620620 has 12 divisors (see below), whose sum is σ = 4651744903344. Its totient is φ = 886046648240.

The previous prime is 2215116620557. The next prime is 2215116620623. The reversal of 2215116620620 is 260266115122.

2215116620620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2215116620623) 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, 55377915496 + ... + 55377915535.

It is an arithmetic number, because the mean of its divisors is an integer number (387645408612).

Almost surely, 22215116620620 is an apocalyptic number.

2215116620620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215116620620 is an abundant number, since it is smaller than the sum of its proper divisors (2436628282724).

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

2215116620620 is a wasteful number, since it uses less digits than its factorization.

2215116620620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110755831040 (or 110755831038 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 2215116620620 in words is "two trillion, two hundred fifteen billion, one hundred sixteen million, six hundred twenty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 110755831031 221511662062 443023324124 553779155155 1107558310310 2215116620620