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2113343020 = 225195561429
BaseRepresentation
bin111110111110111…
…0000111000101100
312110021121221121201
41331331300320230
513312003434040
6545412135244
7103241055625
oct17575607054
95407557551
102113343020
11994a21988
124ab907524
13278ab0239
14160960a4c
15c5800a9a
hex7df70e2c

2113343020 has 24 divisors (see below), whose sum is σ = 4671601200. Its totient is φ = 800845632.

The previous prime is 2113343009. The next prime is 2113343033. The reversal of 2113343020 is 203433112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780335 + ... + 2781094.

It is an arithmetic number, because the mean of its divisors is an integer number (194650050).

Almost surely, 22113343020 is an apocalyptic number.

2113343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113343020 is an abundant number, since it is smaller than the sum of its proper divisors (2558258180).

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

2113343020 is a wasteful number, since it uses less digits than its factorization.

2113343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561457 (or 5561455 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2113343020 is about 45971.1107109672. The cubic root of 2113343020 is about 1283.2856303552.

Adding to 2113343020 its reverse (203433112), we get a palindrome (2316776132).

The spelling of 2113343020 in words is "two billion, one hundred thirteen million, three hundred forty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 5561429 11122858 22245716 27807145 55614290 105667151 111228580 211334302 422668604 528335755 1056671510 2113343020