Search a number
-
+
1428293828371 = 9714724678643
BaseRepresentation
bin10100110010001100111…
…100100011111100010011
312001112200020211012101011
4110302030330203330103
5141400121210001441
63012052113351351
7205122311140414
oct24621474437423
95045606735334
101428293828371
115008106a3323
121b0990868557
13a48c2671557
144d1b620380b
15272470b6581
hex14c8cf23f13

1428293828371 has 4 divisors (see below), whose sum is σ = 1443018507112. Its totient is φ = 1413569149632.

The previous prime is 1428293828347. The next prime is 1428293828413. The reversal of 1428293828371 is 1738283928241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1428293828371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428293838371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7362339225 + ... + 7362339418.

It is an arithmetic number, because the mean of its divisors is an integer number (360754626778).

Almost surely, 21428293828371 is an apocalyptic number.

1428293828371 is a deficient number, since it is larger than the sum of its proper divisors (14724678741).

1428293828371 is an equidigital number, since it uses as much as digits as its factorization.

1428293828371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724678740.

The product of its digits is 9289728, while the sum is 58.

The spelling of 1428293828371 in words is "one trillion, four hundred twenty-eight billion, two hundred ninety-three million, eight hundred twenty-eight thousand, three hundred seventy-one".

Divisors: 1 97 14724678643 1428293828371