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1003225440181 is a prime number
BaseRepresentation
bin11101001100101001110…
…01010101111110110101
310112220111111122202121111
432212110321111332311
5112414101203041211
62044513030515021
7132323601353506
oct16462471257665
93486444582544
101003225440181
11357513674938
12142522205a71
13737b05a3a23
14367b0974bad
151b1699dc421
hexe994e55fb5

1003225440181 has 2 divisors, whose sum is σ = 1003225440182. Its totient is φ = 1003225440180.

The previous prime is 1003225440149. The next prime is 1003225440227. The reversal of 1003225440181 is 1810445223001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532068124900 + 471157315281 = 729430^2 + 686409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003225440181 - 25 = 1003225440149 is a prime.

It is a super-2 number, since 2×10032254401812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003225440781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501612720090 + 501612720091.

It is an arithmetic number, because the mean of its divisors is an integer number (501612720091).

Almost surely, 21003225440181 is an apocalyptic number.

It is an amenable number.

1003225440181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003225440181 is an equidigital number, since it uses as much as digits as its factorization.

1003225440181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 1003225440181 in words is "one trillion, three billion, two hundred twenty-five million, four hundred forty thousand, one hundred eighty-one".