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1428895978195 = 5740825599377
BaseRepresentation
bin10100110010110000110…
…101100101001011010011
312001121020012212120122111
4110302300311211023103
5141402334332300240
63012231543450151
7205143242262310
oct24626065451323
95047205776574
101428895978195
11500a9a58a404
121b0b1a456957
13a498a34081a
144d232189d07
152727edab1ea
hex14cb0d652d3

1428895978195 has 8 divisors (see below), whose sum is σ = 1959628770144. Its totient is φ = 979814385024.

The previous prime is 1428895978193. The next prime is 1428895978283. The reversal of 1428895978195 is 5918795988241.

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 1428895978195 - 21 = 1428895978193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428895978193) 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, 20412799654 + ... + 20412799723.

It is an arithmetic number, because the mean of its divisors is an integer number (244953596268).

Almost surely, 21428895978195 is an apocalyptic number.

1428895978195 is a deficient number, since it is larger than the sum of its proper divisors (530732791949).

1428895978195 is an equidigital number, since it uses as much as digits as its factorization.

1428895978195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40825599389.

The product of its digits is 522547200, while the sum is 76.

The spelling of 1428895978195 in words is "one trillion, four hundred twenty-eight billion, eight hundred ninety-five million, nine hundred seventy-eight thousand, one hundred ninety-five".

Divisors: 1 5 7 35 40825599377 204127996885 285779195639 1428895978195