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1288499118968 = 23806831996237
BaseRepresentation
bin10010110000000000100…
…010000100001101111000
311120011211201102011101102
4102300000202010031320
5132102321233301333
62423532303510532
7162043131542105
oct22600042041570
94504751364342
101288499118968
114574a4186036
121898778b8448
13946744999a9
1446513d73aac
15237b43e6ae8
hex12c00884378

1288499118968 has 16 divisors (see below), whose sum is σ = 2415967001880. Its totient is φ = 644241251808.

The previous prime is 1288499118953. The next prime is 1288499118971. The reversal of 1288499118968 is 8698119948821.

It is a junction number, because it is equal to n+sod(n) for n = 1288499118895 and 1288499118904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352655 + ... + 1643582.

Almost surely, 21288499118968 is an apocalyptic number.

It is an amenable number.

1288499118968 is a deficient number, since it is larger than the sum of its proper divisors (1127467882912).

1288499118968 is a wasteful number, since it uses less digits than its factorization.

1288499118968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076926 (or 2076922 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 74.

The spelling of 1288499118968 in words is "one trillion, two hundred eighty-eight billion, four hundred ninety-nine million, one hundred eighteen thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 80683 161366 322732 645464 1996237 3992474 7984948 15969896 161062389871 322124779742 644249559484 1288499118968