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880968640455 = 3452175231211
BaseRepresentation
bin11001101000111011101…
…00101010011111000111
310010012221012220211220000
430310131310222133013
5103413210432443310
61512413355212343
7120435136614201
oct14643564523707
93105835824800
10880968640455
1130a686915782
121228a27470b3
13650c898b907
14308d3a07771
1517db184a4c0
hexcd1dd2a7c7

880968640455 has 20 divisors (see below), whose sum is σ = 1579217859912. Its totient is φ = 469849941360.

The previous prime is 880968640411. The next prime is 880968640511. The reversal of 880968640455 is 554046869088.

880968640455 is a `hidden beast` number, since 8 + 80 + 9 + 68 + 6 + 40 + 455 = 666.

It is not a de Polignac number, because 880968640455 - 28 = 880968640199 is a prime.

It is a super-2 number, since 2×8809686404552 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 880968640392 and 880968640401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1087615201 + ... + 1087616010.

Almost surely, 2880968640455 is an apocalyptic number.

880968640455 is a deficient number, since it is larger than the sum of its proper divisors (698249219457).

880968640455 is a wasteful number, since it uses less digits than its factorization.

880968640455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175231228 (or 2175231219 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 880968640455 in words is "eight hundred eighty billion, nine hundred sixty-eight million, six hundred forty thousand, four hundred fifty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 2175231211 6525693633 10876156055 19577080899 32628468165 58731242697 97885404495 176193728091 293656213485 880968640455