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1421310012 = 223419282679
BaseRepresentation
bin101010010110111…
…0111100000111100
310200001110000210120
41110231313200330
510402323410022
6353011334540
750135635653
oct12455674074
93601400716
101421310012
1166a324281
12337bb1450
13198600255
14d6a9c19a
1584ba3d5c
hex54b7783c

1421310012 has 24 divisors (see below), whose sum is σ = 3324316800. Its totient is φ = 472637616.

The previous prime is 1421309983. The next prime is 1421310013. The reversal of 1421310012 is 2100131241.

It is a super-2 number, since 2×14213100122 = 4040244300422880288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421309973 and 1421310000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421310013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136312 + ... + 146367.

It is an arithmetic number, because the mean of its divisors is an integer number (138513200).

Almost surely, 21421310012 is an apocalyptic number.

1421310012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421310012 is an abundant number, since it is smaller than the sum of its proper divisors (1903006788).

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

1421310012 is a wasteful number, since it uses less digits than its factorization.

1421310012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283105 (or 283103 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1421310012 is about 37700.2654102063. The cubic root of 1421310012 is about 1124.3364019277.

Adding to 1421310012 its reverse (2100131241), we get a palindrome (3521441253).

The spelling of 1421310012 in words is "one billion, four hundred twenty-one million, three hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 419 838 1257 1676 2514 5028 282679 565358 848037 1130716 1696074 3392148 118442501 236885002 355327503 473770004 710655006 1421310012