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10028077557797 = 13771390581369
BaseRepresentation
bin1001000111101101100000…
…0000000010100000100101
31022111200012222002222021102
42101323120000002200211
52303300000323322142
633154500224325445
72053335052553345
oct221733000024045
938450188088242
1010028077557797
11321697a393842
12115b612a73885
1357984a15cb50
1426950c10ad25
15125cbedc9532
hex91ed8002825

10028077557797 has 4 divisors (see below), whose sum is σ = 10799468139180. Its totient is φ = 9256686976416.

The previous prime is 10028077557791. The next prime is 10028077557809. The reversal of 10028077557797 is 79775577082001.

It is a Cunningham number, because it is equal to 31667142+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1483441177156 + 8544636380641 = 1217966^2 + 2923121^2 .

It is a cyclic number.

It is not a de Polignac number, because 10028077557797 - 216 = 10028077492261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10028077557791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385695290672 + ... + 385695290697.

It is an arithmetic number, because the mean of its divisors is an integer number (2699867034795).

Almost surely, 210028077557797 is an apocalyptic number.

It is an amenable number.

10028077557797 is a deficient number, since it is larger than the sum of its proper divisors (771390581383).

10028077557797 is an equidigital number, since it uses as much as digits as its factorization.

10028077557797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771390581382.

The product of its (nonzero) digits is 60505200, while the sum is 65.

The spelling of 10028077557797 in words is "ten trillion, twenty-eight billion, seventy-seven million, five hundred fifty-seven thousand, seven hundred ninety-seven".

Divisors: 1 13 771390581369 10028077557797