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1890286285463 = 5397367688443
BaseRepresentation
bin11011100000011101110…
…101111011001010010111
320200201011022010200102022
4123200131311323022113
5221432301242113323
64004215135203355
7253366025214062
oct33403565731227
96621138120368
101890286285463
11669736368234
1226642507655b
1310933a472a64
14676c170d8d9
15342860d54c8
hex1b81dd7b297

1890286285463 has 8 divisors (see below), whose sum is σ = 1945807245648. Its totient is φ = 1835500702464.

The previous prime is 1890286285457. The next prime is 1890286285471. The reversal of 1890286285463 is 3645826820981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1890286285463 - 224 = 1890269508247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1890286285396 and 1890286285405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890286285163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183839081 + ... + 183849362.

It is an arithmetic number, because the mean of its divisors is an integer number (243225905706).

Almost surely, 21890286285463 is an apocalyptic number.

1890286285463 is a deficient number, since it is larger than the sum of its proper divisors (55520960185).

1890286285463 is an equidigital number, since it uses as much as digits as its factorization.

1890286285463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367688593.

The product of its (nonzero) digits is 39813120, while the sum is 62.

The spelling of 1890286285463 in words is "one trillion, eight hundred ninety billion, two hundred eighty-six million, two hundred eighty-five thousand, four hundred sixty-three".

Divisors: 1 53 97 5141 367688443 19487487479 35665778971 1890286285463