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881680387463 is a prime number
BaseRepresentation
bin11001101010010000011…
…11110000110110000111
310010021202211012100020022
430311020033300312013
5103421140134344323
61513012142325355
7120461601432311
oct14651017606607
93107684170208
10881680387463
1130aa11658847
12122a60b8985b
13651b0281aa5
143096035c7b1
1517e0408d4c8
hexcd483f0d87

881680387463 has 2 divisors, whose sum is σ = 881680387464. Its totient is φ = 881680387462.

The previous prime is 881680387429. The next prime is 881680387543. The reversal of 881680387463 is 364783086188.

881680387463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 881680387463 - 28 = 881680387207 is a prime.

It is a super-4 number, since 4×8816803874634 (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 881680387396 and 881680387405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881680887463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440840193731 + 440840193732.

It is an arithmetic number, because the mean of its divisors is an integer number (440840193732).

Almost surely, 2881680387463 is an apocalyptic number.

881680387463 is a deficient number, since it is larger than the sum of its proper divisors (1).

881680387463 is an equidigital number, since it uses as much as digits as its factorization.

881680387463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 881680387463 in words is "eight hundred eighty-one billion, six hundred eighty million, three hundred eighty-seven thousand, four hundred sixty-three".