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1881123241 = 2385995213
BaseRepresentation
bin111000000011111…
…1010100110101001
311212002122221222011
41300013322212221
512323031420431
6510354555521
764421166214
oct16007724651
94762587864
101881123241
11885932808
12445b98ba1
1323c95479a
1413bb9277b
15b022ecb1
hex701fa9a9

1881123241 has 8 divisors (see below), whose sum is σ = 1965216960. Its totient is φ = 1797221712.

The previous prime is 1881123229. The next prime is 1881123271. The reversal of 1881123241 is 1423211881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1881123241 - 219 = 1880598953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1881123271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27850 + ... + 67363.

It is an arithmetic number, because the mean of its divisors is an integer number (245652120).

Almost surely, 21881123241 is an apocalyptic number.

It is an amenable number.

1881123241 is a deficient number, since it is larger than the sum of its proper divisors (84093719).

1881123241 is an equidigital number, since it uses as much as digits as its factorization.

1881123241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96095.

The product of its digits is 3072, while the sum is 31.

The square root of 1881123241 is about 43371.9176541688. The cubic root of 1881123241 is about 1234.4469084390.

The spelling of 1881123241 in words is "one billion, eight hundred eighty-one million, one hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 23 859 19757 95213 2189899 81787967 1881123241