Search a number
-
+
1401211411 = 1975239803
BaseRepresentation
bin101001110000100…
…1100101000010011
310121122121220200221
41103201030220103
510332202231121
6351012453511
746503046315
oct12341145023
93548556627
101401211411
11659a46966
1233131a297
131943b3ca2
14d41497b5
1583033b41
hex5384ca13

1401211411 has 8 divisors (see below), whose sum is σ = 1475305920. Its totient is φ = 1327151592.

The previous prime is 1401211393. The next prime is 1401211429. The reversal of 1401211411 is 1141121041.

It is an interprime number because it is at equal distance from previous prime (1401211393) and next prime (1401211429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1401211411 - 211 = 1401209363 is a prime.

It is a super-2 number, since 2×14012114112 = 3926786836633221842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1401211711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138036 + ... + 147838.

It is an arithmetic number, because the mean of its divisors is an integer number (184413240).

Almost surely, 21401211411 is an apocalyptic number.

1401211411 is a deficient number, since it is larger than the sum of its proper divisors (74094509).

1401211411 is an equidigital number, since it uses as much as digits as its factorization.

1401211411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17345.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 1401211411 is about 37432.7585277922. The cubic root of 1401211411 is about 1119.0115138429.

Adding to 1401211411 its reverse (1141121041), we get a palindrome (2542332452).

The spelling of 1401211411 in words is "one billion, four hundred one million, two hundred eleven thousand, four hundred eleven".

Divisors: 1 19 7523 9803 142937 186257 73747969 1401211411