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444108061912993 = 975877177902939
BaseRepresentation
bin110010011111010011111011…
…1010001011010111110100001
32011020110022112102102210012021
41210332213313101122332201
5431202231302322203433
64212312232131101441
7162354514532063302
oct14476476721327641
92136408472383167
10444108061912993
11119563198092a45
124198714b441881
13160a629773039a
147b94d32aa67a9
15365240abba22d
hex193e9f745afa1

444108061912993 has 8 divisors (see below), whose sum is σ = 448694135788640. Its totient is φ = 439522143960960.

The previous prime is 444108061912981. The next prime is 444108061913029. The reversal of 444108061912993 is 399219160801444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-444108061912993 is a prime.

It is a super-2 number, since 2×4441080619129932 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444108061982993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33250683 + ... + 44652256.

It is an arithmetic number, because the mean of its divisors is an integer number (56086766973580).

Almost surely, 2444108061912993 is an apocalyptic number.

It is an amenable number.

444108061912993 is a deficient number, since it is larger than the sum of its proper divisors (4586073875647).

444108061912993 is an equidigital number, since it uses as much as digits as its factorization.

444108061912993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77961807.

The product of its (nonzero) digits is 13436928, while the sum is 61.

The spelling of 444108061912993 in words is "four hundred forty-four trillion, one hundred eight billion, sixty-one million, nine hundred twelve thousand, nine hundred ninety-three".

Divisors: 1 97 58771 5700787 77902939 7556585083 4578433627969 444108061912993