Search a number
-
+
1401220300424 = 237127197021977
BaseRepresentation
bin10100011000111111001…
…111001111111010001000
311221221210110012110221212
4110120333033033322020
5140424144344103144
62551413421552252
7203143355015150
oct24307717177210
94857713173855
101401220300424
114a028836a03a
121a7695a15688
13a2199688429
144bb68701760
15266b035a49e
hex1463f3cfe88

1401220300424 has 32 divisors (see below), whose sum is σ = 3026257582080. Its totient is φ = 595794455424.

The previous prime is 1401220300423. The next prime is 1401220300463. The reversal of 1401220300424 is 4240030221041.

It is a self number, because there is not a number n which added to its sum of digits gives 1401220300424.

It is not an unprimeable number, because it can be changed into a prime (1401220300423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98503877 + ... + 98518100.

It is an arithmetic number, because the mean of its divisors is an integer number (94570549440).

Almost surely, 21401220300424 is an apocalyptic number.

1401220300424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401220300424 is an abundant number, since it is smaller than the sum of its proper divisors (1625037281656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401220300424 is a wasteful number, since it uses less digits than its factorization.

1401220300424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197022117 (or 197022113 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1401220300424 its reverse (4240030221041), we get a palindrome (5641250521465).

The spelling of 1401220300424 in words is "one trillion, four hundred one billion, two hundred twenty million, three hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 127 254 508 889 1016 1778 3556 7112 197021977 394043954 788087908 1379153839 1576175816 2758307678 5516615356 11033230712 25021791079 50043582158 100087164316 175152537553 200174328632 350305075106 700610150212 1401220300424