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1420320122 = 213421129757
BaseRepresentation
bin101010010101000…
…0101110101111010
310122222120201220222
41110222011311322
510402100220442
6352534220042
750124343664
oct12452056572
93588521828
101420320122
11669808591
123377b4622
13198344810
14d68c1534
1584a5a8d2
hex54a85d7a

1420320122 has 16 divisors (see below), whose sum is σ = 2299830792. Its totient is φ = 653970240.

The previous prime is 1420320103. The next prime is 1420320133. The reversal of 1420320122 is 2210230241.

It can be written as a sum of positive squares in 4 ways, for example, as 179801281 + 1240518841 = 13409^2 + 35221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1420320122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53933 + ... + 75824.

Almost surely, 21420320122 is an apocalyptic number.

1420320122 is a deficient number, since it is larger than the sum of its proper divisors (879510670).

1420320122 is a wasteful number, since it uses less digits than its factorization.

1420320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130193.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1420320122 is about 37687.1347013805. The cubic root of 1420320122 is about 1124.0753216960.

Adding to 1420320122 its reverse (2210230241), we get a palindrome (3630550363).

The spelling of 1420320122 in words is "one billion, four hundred twenty million, three hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 13 26 421 842 5473 10946 129757 259514 1686841 3373682 54627697 109255394 710160061 1420320122