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80577808393451 is a prime number
BaseRepresentation
bin10010010100100011111011…
…101001010110010011101011
3101120022011102000021122212112
4102110203323221112103223
541030141322422042301
6443212533435432535
722654361131331105
oct2224437351262353
9346264360248775
1080577808393451
11237469471a7236
129054628bb574b
1335c65bb061995
1415c7db585c575
1594b03142a9bb
hex4948fba564eb

80577808393451 has 2 divisors, whose sum is σ = 80577808393452. Its totient is φ = 80577808393450.

The previous prime is 80577808393427. The next prime is 80577808393477. The reversal of 80577808393451 is 15439380877508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80577808393451 - 210 = 80577808392427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80577808393051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40288904196725 + 40288904196726.

It is an arithmetic number, because the mean of its divisors is an integer number (40288904196726).

Almost surely, 280577808393451 is an apocalyptic number.

80577808393451 is a deficient number, since it is larger than the sum of its proper divisors (1).

80577808393451 is an equidigital number, since it uses as much as digits as its factorization.

80577808393451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 203212800, while the sum is 68.

The spelling of 80577808393451 in words is "eighty trillion, five hundred seventy-seven billion, eight hundred eight million, three hundred ninety-three thousand, four hundred fifty-one".