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961244442169 = 11149586482271
BaseRepresentation
bin11011111110011101010…
…00100010111000111001
310101220010210000002201021
431333032220202320321
5111222112034122134
62013331204222441
7126306350642344
oct15771650427071
93356123002637
10961244442169
11340730478760
1213636699aa21
136c84cc9b1bb
143474b25745b
151a00e1480b4
hexdfcea22e39

961244442169 has 8 divisors (see below), whose sum is σ = 1055668089600. Its totient is φ = 867993759600.

The previous prime is 961244442163. The next prime is 961244442251.

961244442169 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2k-961244442169 is a prime.

It is a super-2 number, since 2×9612444421692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961244442163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293239497 + ... + 293242774.

It is an arithmetic number, because the mean of its divisors is an integer number (131958511200).

Almost surely, 2961244442169 is an apocalyptic number.

It is an amenable number.

961244442169 is a deficient number, since it is larger than the sum of its proper divisors (94423647431).

961244442169 is a wasteful number, since it uses less digits than its factorization.

961244442169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586482431.

The product of its digits is 2985984, while the sum is 52.

The spelling of 961244442169 in words is "nine hundred sixty-one billion, two hundred forty-four million, four hundred forty-two thousand, one hundred sixty-nine".

Divisors: 1 11 149 1639 586482271 6451304981 87385858379 961244442169