Search a number
-
+
1429287198784 = 261494412
BaseRepresentation
bin10100110011001000001…
…001111110000001000000
312001122020111000122101221
4110303020021332001000
5141404140010330114
63012334441004424
7205156032510154
oct24631011760100
95048214018357
101429287198784
115011803a9205
121b1009483714
13a4a203c9cb3
144d26c107064
15272a43d8524
hex14cc827e040

1429287198784 has 21 divisors (see below), whose sum is σ = 2836260764221. Its totient is φ = 714638817280.

The previous prime is 1429287198767. The next prime is 1429287198793. The reversal of 1429287198784 is 4878917829241.

The square root of 1429287198784 is 1195528.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1242939576384 + 186347622400 = 1114872^2 + 431680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9489504 + ... + 9638944.

Almost surely, 21429287198784 is an apocalyptic number.

1429287198784 is the 1195528-th square number.

It is an amenable number.

1429287198784 is a deficient number, since it is larger than the sum of its proper divisors (1406973565437).

1429287198784 is an frugal number, since it uses more digits than its factorization.

1429287198784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298894 (or 149443 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 70.

The spelling of 1429287198784 in words is "one trillion, four hundred twenty-nine billion, two hundred eighty-seven million, one hundred ninety-eight thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 149441 298882 597764 1195528 2391056 4782112 9564224 22332612481 44665224962 89330449924 178660899848 357321799696 714643599392 1429287198784