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1421012041444 = 221983911790671
BaseRepresentation
bin10100101011011010111…
…010101111111011100100
312000211212202212002121001
4110223122322233323210
5141240213040311234
63004445351403044
7204444001026052
oct24533272577344
95024782762531
101421012041444
114a8714284aa6
121ab49a083484
13a4001b767a8
144cac50951d2
1526e6cb89d14
hex14adaeafee4

1421012041444 has 12 divisors (see below), whose sum is σ = 2486784995968. Its totient is φ = 710502042600.

The previous prime is 1421012041433. The next prime is 1421012041507. The reversal of 1421012041444 is 4441402101241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101772 + ... + 1688899.

Almost surely, 21421012041444 is an apocalyptic number.

It is an amenable number.

1421012041444 is a deficient number, since it is larger than the sum of its proper divisors (1065772954524).

1421012041444 is a wasteful number, since it uses less digits than its factorization.

1421012041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989066 (or 1989064 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1421012041444 its reverse (4441402101241), we get a palindrome (5862414142685).

The spelling of 1421012041444 in words is "one trillion, four hundred twenty-one billion, twelve million, forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 198391 396782 793564 1790671 3581342 7162684 355253010361 710506020722 1421012041444