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1944425194031 is a prime number
BaseRepresentation
bin11100010010111000110…
…001011110001000101111
320212212220100001012020002
4130102320301132020233
5223324140322202111
64045131232014515
7260323445306465
oct34227061361057
96785810035202
101944425194031
1168a698370581
12274a1409143b
1311148784b7b8
146a1799d2835
15358a3edd63b
hex1c4b8c5e22f

1944425194031 has 2 divisors, whose sum is σ = 1944425194032. Its totient is φ = 1944425194030.

The previous prime is 1944425193941. The next prime is 1944425194043. The reversal of 1944425194031 is 1304915244491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1944425194031 is a prime.

It is a super-2 number, since 2×19444251940312 (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 (1944425194091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972212597015 + 972212597016.

It is an arithmetic number, because the mean of its divisors is an integer number (972212597016).

Almost surely, 21944425194031 is an apocalyptic number.

1944425194031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1944425194031 is an equidigital number, since it uses as much as digits as its factorization.

1944425194031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 1944425194031 in words is "one trillion, nine hundred forty-four billion, four hundred twenty-five million, one hundred ninety-four thousand, thirty-one".