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157625487841 is a prime number
BaseRepresentation
bin1001001011001100110…
…1100001000111100001
3120001212012011102200011
42102303031201013201
510040304111102331
6200225005124521
714250051353143
oct2226315410741
9501765142604
10157625487841
116093752a018
1226670559741
1311b30336243
1478b440ac93
15417829d3b1
hex24b33611e1

157625487841 has 2 divisors, whose sum is σ = 157625487842. Its totient is φ = 157625487840.

The previous prime is 157625487727. The next prime is 157625487889. The reversal of 157625487841 is 148784526751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108250870225 + 49374617616 = 329015^2 + 222204^2 .

It is a cyclic number.

It is not a de Polignac number, because 157625487841 - 29 = 157625487329 is a prime.

It is a super-2 number, since 2×1576254878412 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157625481841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78812743920 + 78812743921.

It is an arithmetic number, because the mean of its divisors is an integer number (78812743921).

Almost surely, 2157625487841 is an apocalyptic number.

It is an amenable number.

157625487841 is a deficient number, since it is larger than the sum of its proper divisors (1).

157625487841 is an equidigital number, since it uses as much as digits as its factorization.

157625487841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15052800, while the sum is 58.

The spelling of 157625487841 in words is "one hundred fifty-seven billion, six hundred twenty-five million, four hundred eighty-seven thousand, eight hundred forty-one".