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444736350056221 = 1755013947553367
BaseRepresentation
bin110010100011111000100000…
…0001010011110111100011101
32011022200101020220102102000221
41211013301000022132330131
5431243030021103244341
64213513020402321341
7162451066230143146
oct14507610012367435
92138611226372027
10444736350056221
11119785699399203
1241a68a73959251
13161205c4bb4682
147bb74d5ca4acd
15366392e219ed1
hex1947c4029ef1d

444736350056221 has 8 divisors (see below), whose sum is σ = 470898177687360. Its totient is φ = 418574618632128.

The previous prime is 444736350056203. The next prime is 444736350056233. The reversal of 444736350056221 is 122650053637444.

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 444736350056221 - 27 = 444736350056093 is a prime.

It is a super-2 number, since 2×4447363500562212 (a number of 30 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 (444736350054221) 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, 14424321 + ... + 33129046.

It is an arithmetic number, because the mean of its divisors is an integer number (58862272210920).

Almost surely, 2444736350056221 is an apocalyptic number.

It is an amenable number.

444736350056221 is a deficient number, since it is larger than the sum of its proper divisors (26161827631139).

444736350056221 is a wasteful number, since it uses less digits than its factorization.

444736350056221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48103523.

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 444736350056221 in words is "four hundred forty-four trillion, seven hundred thirty-six billion, three hundred fifty million, fifty-six thousand, two hundred twenty-one".

Divisors: 1 17 550139 9352363 47553367 808407239 26160961768013 444736350056221