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49111435321 = 132170472
BaseRepresentation
bin101101101111010001…
…010000100000111001
311200202122211102000221
4231233101100200321
51301040011412241
634321140300041
73356012212114
oct555721204071
9150678742027
1049111435321
1119912141283
1296273a1621
13482894b300
14253c70d57b
1514268765d1
hexb6f450839

49111435321 has 9 divisors (see below), whose sum is σ = 53182958031. Its totient is φ = 45330973272.

The previous prime is 49111435309. The next prime is 49111435363. The reversal of 49111435321 is 12353411194.

The square root of 49111435321 is 221611.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7265005225 + 41846430096 = 85235^2 + 204564^2 .

It is not a de Polignac number, because 49111435321 - 215 = 49111402553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49111430321) 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 8 ways as a sum of consecutive naturals, for example, 2872420 + ... + 2889466.

It is an arithmetic number, because the mean of its divisors is an integer number (5909217559).

Almost surely, 249111435321 is an apocalyptic number.

49111435321 is the 221611-st square number.

49111435321 is the 110806-th centered octagonal number.

It is an amenable number.

49111435321 is a deficient number, since it is larger than the sum of its proper divisors (4071522710).

49111435321 is an frugal number, since it uses more digits than its factorization.

49111435321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34120 (or 17060 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The spelling of 49111435321 in words is "forty-nine billion, one hundred eleven million, four hundred thirty-five thousand, three hundred twenty-one".

Divisors: 1 13 169 17047 221611 2880943 290600209 3777802717 49111435321