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30440021214 = 2329573171553
BaseRepresentation
bin11100010110010111…
…011101110011011110
32220120102021022000010
4130112113131303132
5444320121134324
621552311144050
72125221624351
oct342627356336
986512238003
1030440021214
1111a00664529
125a96375026
132b415a9a95
14168aa6a298
15bd2595829
hex7165ddcde

30440021214 has 16 divisors (see below), whose sum is σ = 60882455952. Its totient is φ = 10146271488.

The previous prime is 30440021173. The next prime is 30440021221. The reversal of 30440021214 is 41212004403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91662 + ... + 263214.

It is an arithmetic number, because the mean of its divisors is an integer number (3805153497).

Almost surely, 230440021214 is an apocalyptic number.

30440021214 is an abundant number, since it is smaller than the sum of its proper divisors (30442434738).

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

30440021214 is a wasteful number, since it uses less digits than its factorization.

30440021214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201131.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 30440021214 its reverse (41212004403), we get a palindrome (71652025617).

The spelling of 30440021214 in words is "thirty billion, four hundred forty million, twenty-one thousand, two hundred fourteen".

Divisors: 1 2 3 6 29573 59146 88719 171553 177438 343106 514659 1029318 5073336869 10146673738 15220010607 30440021214