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28557474117119 = 3714291528935327
BaseRepresentation
bin1100111111001000011100…
…00110011011010111111111
310202010001211110202021120222
412133210032012123113333
512220341201333221434
6140423042243131555
76005131554606263
oct637441606332777
9122101743667528
1028557474117119
11911017a713612
123252768373bbb
1312c1c5c39068c
1470a290d460a3
15347ca354272e
hex19f90e19b5ff

28557474117119 has 16 divisors (see below), whose sum is σ = 29352572620800. Its totient is φ = 27763604354304.

The previous prime is 28557474117059. The next prime is 28557474117131. The reversal of 28557474117119 is 91171147475582.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28557474117119 is a prime.

It is a super-2 number, since 2×285574741171192 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28557474117719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808357634 + ... + 808392960.

It is an arithmetic number, because the mean of its divisors is an integer number (1834535788800).

Almost surely, 228557474117119 is an apocalyptic number.

28557474117119 is a deficient number, since it is larger than the sum of its proper divisors (795098503681).

28557474117119 is a wasteful number, since it uses less digits than its factorization.

28557474117119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52082.

The product of its digits is 19756800, while the sum is 62.

The spelling of 28557474117119 in words is "twenty-eight trillion, five hundred fifty-seven billion, four hundred seventy-four million, one hundred seventeen thousand, one hundred nineteen".

Divisors: 1 37 1429 15289 35327 52873 565693 1307099 21847981 50482283 540114503 808375297 1867844471 19984236611 771823624787 28557474117119