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123011211441 = 3286971428851
BaseRepresentation
bin111001010010000001…
…0100010000010110001
3102202111212022000001010
41302210002202002301
54003411332231231
6132302141101133
711613222021336
oct1624402420261
9382455260033
10123011211441
1148194692918
121ba102577a9
13b7a4cc59a1
145d4d22a98d
1532ee511546
hex1ca40a20b1

123011211441 has 8 divisors (see below), whose sum is σ = 164020778784. Its totient is φ = 82004559200.

The previous prime is 123011211431. The next prime is 123011211461. The reversal of 123011211441 is 144112110321.

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 123011211441 - 210 = 123011210417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123011211431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 628335 + ... + 800516.

It is an arithmetic number, because the mean of its divisors is an integer number (20502597348).

Almost surely, 2123011211441 is an apocalyptic number.

It is an amenable number.

123011211441 is a deficient number, since it is larger than the sum of its proper divisors (41009567343).

123011211441 is a wasteful number, since it uses less digits than its factorization.

123011211441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457551.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 123011211441 its reverse (144112110321), we get a palindrome (267123321762).

The spelling of 123011211441 in words is "one hundred twenty-three billion, eleven million, two hundred eleven thousand, four hundred forty-one".

Divisors: 1 3 28697 86091 1428851 4286553 41003737147 123011211441