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444700221061 = 17241811081793
BaseRepresentation
bin1100111100010100011…
…00101101111010000101
31120111211220220212122211
412132022030231322011
524241221224033221
6540143101023421
744062041340135
oct6361214557205
91514756825584
10444700221061
11161661755058
1272229254b71
1332c203cb1a5
1417748ab8ac5
15b87ad6d6e1
hex678a32de85

444700221061 has 8 divisors (see below), whose sum is σ = 470878965144. Its totient is φ = 418523688960.

The previous prime is 444700221013. The next prime is 444700221073. The reversal of 444700221061 is 160122007444.

It can be written as a sum of positive squares in 4 ways, for example, as 45237036100 + 399463184961 = 212690^2 + 632031^2 .

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 444700221061 - 219 = 444699696773 is a prime.

It is a super-2 number, since 2×4447002210612 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444700221011) 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, 129820 + ... + 951973.

It is an arithmetic number, because the mean of its divisors is an integer number (58859870643).

Almost surely, 2444700221061 is an apocalyptic number.

It is an amenable number.

444700221061 is a deficient number, since it is larger than the sum of its proper divisors (26178744083).

444700221061 is a wasteful number, since it uses less digits than its factorization.

444700221061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105991.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 444700221061 in words is "four hundred forty-four billion, seven hundred million, two hundred twenty-one thousand, sixty-one".

Divisors: 1 17 24181 411077 1081793 18390481 26158836533 444700221061