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2141380771 = 4745561293
BaseRepresentation
bin111111110100010…
…1110000010100011
312112020101102011221
41333220232002203
513341143141041
6552253115511
7104031302425
oct17750560243
95466342157
102141380771
119a9832082
124b9188b97
1328184901a
1416457c815
15c7edd2d1
hex7fa2e0a3

2141380771 has 4 divisors (see below), whose sum is σ = 2186942112. Its totient is φ = 2095819432.

The previous prime is 2141380733. The next prime is 2141380777. The reversal of 2141380771 is 1770831412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2141380771 - 223 = 2132992163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141380777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22780600 + ... + 22780693.

It is an arithmetic number, because the mean of its divisors is an integer number (546735528).

Almost surely, 22141380771 is an apocalyptic number.

2141380771 is a deficient number, since it is larger than the sum of its proper divisors (45561341).

2141380771 is an equidigital number, since it uses as much as digits as its factorization.

2141380771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45561340.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 2141380771 is about 46275.0556023437. The cubic root of 2141380771 is about 1288.9358391260.

The spelling of 2141380771 in words is "two billion, one hundred forty-one million, three hundred eighty thousand, seven hundred seventy-one".

Divisors: 1 47 45561293 2141380771