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1916201484289 = 7943156277761
BaseRepresentation
bin11011111000100110100…
…000100100000000000001
320210012001101011012000001
4123320212200210000001
5222343340034444124
64024142452000001
7255304154605441
oct33704640440001
96705041135001
101916201484289
11679724867724
1226b458000001
1310b90a494931
1468a5d44c121
1534ca12d7b44
hex1be26824001

1916201484289 has 8 divisors (see below), whose sum is σ = 1944959454720. Its totient is φ = 1887556070400.

The previous prime is 1916201484287. The next prime is 1916201484313. The reversal of 1916201484289 is 9824841026191.

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 1916201484289 - 21 = 1916201484287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1916201484283) 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, 28104832 + ... + 28172929.

It is an arithmetic number, because the mean of its divisors is an integer number (243119931840).

Almost surely, 21916201484289 is an apocalyptic number.

It is an amenable number.

1916201484289 is a deficient number, since it is larger than the sum of its proper divisors (28757970431).

1916201484289 is an equidigital number, since it uses as much as digits as its factorization.

1916201484289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56278271.

The product of its (nonzero) digits is 1990656, while the sum is 55.

The spelling of 1916201484289 in words is "one trillion, nine hundred sixteen billion, two hundred one million, four hundred eighty-four thousand, two hundred eighty-nine".

Divisors: 1 79 431 34049 56277761 4445943119 24255714991 1916201484289