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56578649341 is a prime number
BaseRepresentation
bin110100101100010110…
…011010110011111101
312102001001201011222011
4310230112122303331
51411333113234331
641554124451221
74042033404304
oct645426326375
9172031634864
1056578649341
1121aa4199735
12ab700a9b11
13544899a246
142a4a32943b
1517121ce3b1
hexd2c59acfd

56578649341 has 2 divisors, whose sum is σ = 56578649342. Its totient is φ = 56578649340.

The previous prime is 56578649333. The next prime is 56578649359. The reversal of 56578649341 is 14394687565.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55804140441 + 774508900 = 236229^2 + 27830^2 .

It is a cyclic number.

It is not a de Polignac number, because 56578649341 - 23 = 56578649333 is a prime.

It is a super-2 number, since 2×565786493412 (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 (56578649321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28289324670 + 28289324671.

It is an arithmetic number, because the mean of its divisors is an integer number (28289324671).

Almost surely, 256578649341 is an apocalyptic number.

It is an amenable number.

56578649341 is a deficient number, since it is larger than the sum of its proper divisors (1).

56578649341 is an equidigital number, since it uses as much as digits as its factorization.

56578649341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 58.

The spelling of 56578649341 in words is "fifty-six billion, five hundred seventy-eight million, six hundred forty-nine thousand, three hundred forty-one".