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44617000381 is a prime number
BaseRepresentation
bin101001100011011000…
…010110010110111101
311021011102202110100121
4221203120112112331
51212333423003011
632255145054541
73136436150212
oct514330262675
9137142673317
1044617000381
1117a16151838
128792187451
134290772855
142233851b09
151261ed6e71
hexa636165bd

44617000381 has 2 divisors, whose sum is σ = 44617000382. Its totient is φ = 44617000380.

The previous prime is 44617000357. The next prime is 44617000397. The reversal of 44617000381 is 18300071644.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43970315481 + 646684900 = 209691^2 + 25430^2 .

It is a cyclic number.

It is not a de Polignac number, because 44617000381 - 25 = 44617000349 is a prime.

It is a super-2 number, since 2×446170003812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44617000481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22308500190 + 22308500191.

It is an arithmetic number, because the mean of its divisors is an integer number (22308500191).

Almost surely, 244617000381 is an apocalyptic number.

It is an amenable number.

44617000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

44617000381 is an equidigital number, since it uses as much as digits as its factorization.

44617000381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 44617000381 in words is "forty-four billion, six hundred seventeen million, three hundred eighty-one", and thus it is an aban number.