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401421111120311 = 19107145119718519
BaseRepresentation
bin101101101000101110010001…
…0101110111101000110110111
31221122022111001102112221101112
41123101130202232331012313
5410103340413421322221
63541430151310145235
7150360501230066162
oct13321344256750667
91848274042487345
10401421111120311
111069a5812223057
1239032125ab221b
13142cab04aa4999
14711ac57930ad9
153161d3e83a15b
hex16d1722bbd1b7

401421111120311 has 8 divisors (see below), whose sum is σ = 422548953820800. Its totient is φ = 380293309999800.

The previous prime is 401421111120299. The next prime is 401421111120401. The reversal of 401421111120311 is 113021111124104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-401421111120311 is a prime.

It is a super-2 number, since 2×4014211111203112 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401421111120511) 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, 10498310 + ... + 30216828.

It is an arithmetic number, because the mean of its divisors is an integer number (52818619227600).

Almost surely, 2401421111120311 is an apocalyptic number.

401421111120311 is a deficient number, since it is larger than the sum of its proper divisors (21127842700489).

401421111120311 is a wasteful number, since it uses less digits than its factorization.

401421111120311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20789989.

The product of its (nonzero) digits is 192, while the sum is 23.

Adding to 401421111120311 its reverse (113021111124104), we get a palindrome (514442222244415).

The spelling of 401421111120311 in words is "four hundred one trillion, four hundred twenty-one billion, one hundred eleven million, one hundred twenty thousand, three hundred eleven".

Divisors: 1 19 1071451 19718519 20357569 374651861 21127426901069 401421111120311