Search a number
-
+
1401403222141 = 13107800247857
BaseRepresentation
bin10100011001001010001…
…001000010100001111101
311221222021012101212101021
4110121022021002201331
5140430033211102031
62551443514344141
7203151035562466
oct24311211024175
94858235355337
101401403222141
114a037164790a
121a772712b051
13a21c8543130
144bb84b19d6d
15266c143e511
hex1464a24287d

1401403222141 has 4 divisors (see below), whose sum is σ = 1509203470012. Its totient is φ = 1293602974272.

The previous prime is 1401403222139. The next prime is 1401403222159. The reversal of 1401403222141 is 1412223041041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 660271630041 + 741131592100 = 812571^2 + 860890^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401403222141 - 21 = 1401403222139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401403222111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53900123916 + ... + 53900123941.

It is an arithmetic number, because the mean of its divisors is an integer number (377300867503).

Almost surely, 21401403222141 is an apocalyptic number.

It is an amenable number.

1401403222141 is a deficient number, since it is larger than the sum of its proper divisors (107800247871).

1401403222141 is a wasteful number, since it uses less digits than its factorization.

1401403222141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107800247870.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1401403222141 its reverse (1412223041041), we get a palindrome (2813626263182).

The spelling of 1401403222141 in words is "one trillion, four hundred one billion, four hundred three million, two hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 13 107800247857 1401403222141