Search a number
-
+
1420344031401 = 32157816003489
BaseRepresentation
bin10100101010110011000…
…110011111100010101001
312000210011012212200002100
4110222303012133202221
5141232331033001101
63004255205524013
7204421310031651
oct24526306374251
95023135780070
101420344031401
114a84011a5189
121ab332413609
13a3c26658089
144ca60487361
1526e2e1d5e86
hex14ab319f8a9

1420344031401 has 6 divisors (see below), whose sum is σ = 2051608045370. Its totient is φ = 946896020928.

The previous prime is 1420344031303. The next prime is 1420344031427. The reversal of 1420344031401 is 1041304430241.

1420344031401 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 344 + 0 + 314 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1204174827801 + 216169203600 = 1097349^2 + 464940^2 .

It is not a de Polignac number, because 1420344031401 - 213 = 1420344023209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420344031441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78908001736 + ... + 78908001753.

Almost surely, 21420344031401 is an apocalyptic number.

It is an amenable number.

1420344031401 is a deficient number, since it is larger than the sum of its proper divisors (631264013969).

1420344031401 is a wasteful number, since it uses less digits than its factorization.

1420344031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157816003495 (or 157816003492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1420344031401 its reverse (1041304430241), we get a palindrome (2461648461642).

The spelling of 1420344031401 in words is "one trillion, four hundred twenty billion, three hundred forty-four million, thirty-one thousand, four hundred one".

Divisors: 1 3 9 157816003489 473448010467 1420344031401