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44873837881 is a prime number
BaseRepresentation
bin101001110010101100…
…000110110100111001
311021211100001011011121
4221302230012310321
51213400200303011
632340442025241
73146005220455
oct516254066471
9137740034147
1044873837881
1118038125634
1288441a8221
134301a3a4c2
1422599cb665
15127981be71
hexa72b06d39

44873837881 has 2 divisors, whose sum is σ = 44873837882. Its totient is φ = 44873837880.

The previous prime is 44873837843. The next prime is 44873837951. The reversal of 44873837881 is 18873837844.

44873837881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37820525625 + 7053312256 = 194475^2 + 83984^2 .

It is a cyclic number.

It is not a de Polignac number, because 44873837881 - 217 = 44873706809 is a prime.

It is a super-2 number, since 2×448738378812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44873837831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22436918940 + 22436918941.

It is an arithmetic number, because the mean of its divisors is an integer number (22436918941).

Almost surely, 244873837881 is an apocalyptic number.

It is an amenable number.

44873837881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44873837881 is an equidigital number, since it uses as much as digits as its factorization.

44873837881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28901376, while the sum is 61.

The spelling of 44873837881 in words is "forty-four billion, eight hundred seventy-three million, eight hundred thirty-seven thousand, eight hundred eighty-one".