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28014483422641 = 1931227412
BaseRepresentation
bin1100101111010101000010…
…10101010011110110110001
310200012011021111222000021211
412113222201111103312301
512132442130224011031
6135325402004120121
75620660005061132
oct627524125236661
9120164244860254
1028014483422641
118a2096a613051
123185489996041
1312829a66b6561
146cbca0291c89
15338ac35c0bb1
hex197aa1553db1

28014483422641 has 9 divisors (see below), whose sum is σ = 28039228255339. Its totient is φ = 27989760422200.

The previous prime is 28014483422593. The next prime is 28014483422657. The reversal of 28014483422641 is 14622438441082.

The square root of 28014483422641 is 5292871.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8289337732641 + 19725145690000 = 2879121^2 + 4441300^2 .

It is not a de Polignac number, because 28014483422641 - 223 = 28014475034033 is a prime.

It is a super-2 number, since 2×280144834226412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28014283422641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10220532531 + ... + 10220535271.

Almost surely, 228014483422641 is an apocalyptic number.

28014483422641 is the 5292871-st square number.

28014483422641 is the 2646436-th centered octagonal number.

It is an amenable number.

28014483422641 is a deficient number, since it is larger than the sum of its proper divisors (24744832698).

28014483422641 is an frugal number, since it uses more digits than its factorization.

28014483422641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344 (or 4672 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 49.

The spelling of 28014483422641 in words is "twenty-eight trillion, fourteen billion, four hundred eighty-three million, four hundred twenty-two thousand, six hundred forty-one".

Divisors: 1 1931 2741 3728761 5292871 7513081 10220533901 14507759411 28014483422641