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444761666401 = 13125887271771
BaseRepresentation
bin1100111100011011101…
…11000111001101100001
31120112000012112121211011
412132031313013031201
524241332441311101
6540153134020521
744063415534103
oct6361567071541
91515005477734
10444761666401
11161693402928
1272245947741
1332c30062c90
1417752d11573
15b881459751
hex678ddc7361

444761666401 has 8 divisors (see below), whose sum is σ = 478979669504. Its totient is φ = 410544458640.

The previous prime is 444761666359. The next prime is 444761666429. The reversal of 444761666401 is 104666167444.

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 444761666401 - 219 = 444761142113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444761666471) 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, 1500646 + ... + 1772416.

It is an arithmetic number, because the mean of its divisors is an integer number (59872458688).

Almost surely, 2444761666401 is an apocalyptic number.

It is an amenable number.

444761666401 is a deficient number, since it is larger than the sum of its proper divisors (34218003103).

444761666401 is a wasteful number, since it uses less digits than its factorization.

444761666401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397671.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 444761666401 in words is "four hundred forty-four billion, seven hundred sixty-one million, six hundred sixty-six thousand, four hundred one".

Divisors: 1 13 125887 271771 1636531 3533023 34212435877 444761666401