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1420404321031 = 59673253110459
BaseRepresentation
bin10100101010110110101…
…100011110101100000111
312000210022102022200220121
4110222312230132230013
5141232442001233111
63004305202042411
7204422641343323
oct24526654365407
95023272280817
101420404321031
114a8432233723
121ab34a649407
13a3c35ca6b07
144ca6849c983
1526e34644871
hex14ab6b1eb07

1420404321031 has 16 divisors (see below), whose sum is σ = 1466502307200. Its totient is φ = 1375053644448.

The previous prime is 1420404320987. The next prime is 1420404321043. The reversal of 1420404321031 is 1301234040241.

It is a cyclic number.

It is not a de Polignac number, because 1420404321031 - 213 = 1420404312839 is a prime.

It is a super-2 number, since 2×14204043210312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420404320987 and 1420404321005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420404321131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12803880 + ... + 12914338.

It is an arithmetic number, because the mean of its divisors is an integer number (91656394200).

Almost surely, 21420404321031 is an apocalyptic number.

1420404321031 is a deficient number, since it is larger than the sum of its proper divisors (46097986169).

1420404321031 is a wasteful number, since it uses less digits than its factorization.

1420404321031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113838.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1420404321031 its reverse (1301234040241), we get a palindrome (2721638361272).

The spelling of 1420404321031 in words is "one trillion, four hundred twenty billion, four hundred four million, three hundred twenty-one thousand, thirty-one".

Divisors: 1 59 67 3253 3953 110459 191927 217951 6517081 7400753 12859109 359323127 436644427 21200064493 24074649509 1420404321031