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1401142212420 = 223559938985593
BaseRepresentation
bin10100011000111010100…
…101010111011101000100
311221221121000021012100120
4110120322211113131010
5140424014401244140
62551401552141540
7203141416204266
oct24307245273504
94857530235316
101401142212420
114a02482843a5
121a76738378b0
13a2186447402
144bb5c1b5b36
15266a85831d0
hex1463a957744

1401142212420 has 48 divisors (see below), whose sum is σ = 3929747875200. Its totient is φ = 373014144256.

The previous prime is 1401142212383. The next prime is 1401142212443. The reversal of 1401142212420 is 242122411041.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19456857 + ... + 19528736.

It is an arithmetic number, because the mean of its divisors is an integer number (81869747400).

Almost surely, 21401142212420 is an apocalyptic number.

1401142212420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401142212420 is an abundant number, since it is smaller than the sum of its proper divisors (2528605662780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401142212420 is a wasteful number, since it uses less digits than its factorization.

1401142212420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38986204 (or 38986202 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1401142212420 its reverse (242122411041), we get a palindrome (1643264623461).

The spelling of 1401142212420 in words is "one trillion, four hundred one billion, one hundred forty-two million, two hundred twelve thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 599 1198 1797 2396 2995 3594 5990 7188 8985 11980 17970 35940 38985593 77971186 116956779 155942372 194927965 233913558 389855930 467827116 584783895 779711860 1169567790 2339135580 23352370207 46704740414 70057110621 93409480828 116761851035 140114221242 233523702070 280228442484 350285553105 467047404140 700571106210 1401142212420