Search a number
-
+
401442423113 = 15712312077139
BaseRepresentation
bin1011101011101111101…
…01010100000101001001
31102101012012202001112002
411311313311110011021
523034123230014423
6504230424200345
741001055203134
oct5656765240511
91371165661462
10401442423113
11145283867216
12659763090b5
132bb18421544
141560399921b
15a69836d228
hex5d77d54149

401442423113 has 8 divisors (see below), whose sum is σ = 404327763840. Its totient is φ = 398561239440.

The previous prime is 401442423091. The next prime is 401442423139. The reversal of 401442423113 is 311324244104.

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 401442423113 - 26 = 401442423049 is a prime.

It is a super-2 number, since 2×4014424231132 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401442423413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845303 + ... + 1231836.

It is an arithmetic number, because the mean of its divisors is an integer number (50540970480).

Almost surely, 2401442423113 is an apocalyptic number.

It is an amenable number.

401442423113 is a deficient number, since it is larger than the sum of its proper divisors (2885340727).

401442423113 is a wasteful number, since it uses less digits than its factorization.

401442423113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078527.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 401442423113 its reverse (311324244104), we get a palindrome (712766667217).

The spelling of 401442423113 in words is "four hundred one billion, four hundred forty-two million, four hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 157 1231 193267 2077139 326110823 2556958109 401442423113