Search a number
-
+
21412114002 = 2321877633757
BaseRepresentation
bin10011111100010000…
…101110111001010010
32001021020200002111100
4103330100232321102
5322323000122002
613500411525230
71355416652226
oct237420567122
961236602440
1021412114002
119098642194
124196a59816
132033108256
141071a6c786
15854c0511c
hex4fc42ee52

21412114002 has 24 divisors (see below), whose sum is σ = 46417703436. Its totient is φ = 7133557536.

The previous prime is 21412114001. The next prime is 21412114007. The reversal of 21412114002 is 20041121412.

It can be written as a sum of positive squares in 2 ways, for example, as 19257390441 + 2154723561 = 138771^2 + 46419^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (21412114001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283093 + ... + 350664.

Almost surely, 221412114002 is an apocalyptic number.

21412114002 is an abundant number, since it is smaller than the sum of its proper divisors (25005589434).

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

21412114002 is a wasteful number, since it uses less digits than its factorization.

21412114002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635642 (or 635639 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21412114002 its reverse (20041121412), we get a palindrome (41453235414).

The spelling of 21412114002 in words is "twenty-one billion, four hundred twelve million, one hundred fourteen thousand, two".

Divisors: 1 2 3 6 9 18 1877 3754 5631 11262 16893 33786 633757 1267514 1901271 3802542 5703813 11407626 1189561889 2379123778 3568685667 7137371334 10706057001 21412114002