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881203138 = 2488990121
BaseRepresentation
bin110100100001100…
…001011111000010
32021102010202110021
4310201201133002
53301042000023
6223235124054
730560050234
oct6441413702
92242122407
10881203138
11412463a62
1220714362a
13110744a9a
1485066254
155256735d
hex348617c2

881203138 has 8 divisors (see below), whose sum is σ = 1322089740. Its totient is φ = 440506560.

The previous prime is 881203129. The next prime is 881203153. The reversal of 881203138 is 831302188.

It can be written as a sum of positive squares in 2 ways, for example, as 708464689 + 172738449 = 26617^2 + 13143^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35283 + ... + 54838.

Almost surely, 2881203138 is an apocalyptic number.

881203138 is a deficient number, since it is larger than the sum of its proper divisors (440886602).

881203138 is a wasteful number, since it uses less digits than its factorization.

881203138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95012.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 881203138 is about 29685.0659086349. The cubic root of 881203138 is about 958.7204952087.

The spelling of 881203138 in words is "eight hundred eighty-one million, two hundred three thousand, one hundred thirty-eight".

Divisors: 1 2 4889 9778 90121 180242 440601569 881203138