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1369854584128 = 2621403977877
BaseRepresentation
bin10011111011110001101…
…100100010010101000000
311211221211112002000000201
4103323301230202111000
5134420430233143003
62525145201454544
7200653162563142
oct23736154422500
94757745060021
101369854584128
11488a52223158
121a15a1641454
139c23b3895a4
144a430b4ac92
15259768aeb1d
hex13ef1b22540

1369854584128 has 14 divisors (see below), whose sum is σ = 2718305190506. Its totient is φ = 684927292032.

The previous prime is 1369854584099. The next prime is 1369854584171. The reversal of 1369854584128 is 8214854589631.

It can be written as a sum of positive squares in only one way, i.e., 1368076443904 + 1778140224 = 1169648^2 + 42168^2 .

It is a Harshad number since it is a multiple of its sum of digits (64), and also a Moran number because the ratio is a prime number: 21403977877 = 1369854584128 / (1 + 3 + 6 + 9 + 8 + 5 + 4 + 5 + 8 + 4 + 1 + 2 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 1369854584128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10701988875 + ... + 10701989002.

Almost surely, 21369854584128 is an apocalyptic number.

It is an amenable number.

1369854584128 is a deficient number, since it is larger than the sum of its proper divisors (1348450606378).

1369854584128 is an equidigital number, since it uses as much as digits as its factorization.

1369854584128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21403977889 (or 21403977879 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 64.

The spelling of 1369854584128 in words is "one trillion, three hundred sixty-nine billion, eight hundred fifty-four million, five hundred eighty-four thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 64 21403977877 42807955754 85615911508 171231823016 342463646032 684927292064 1369854584128