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30513144402 = 23213612137673
BaseRepresentation
bin11100011010101110…
…011010001001010010
32220202111212100011100
4130122232122021102
5444442331110102
622003442325230
72130100306446
oct343256321122
986674770140
1030513144402
1111a38969014
125ab6959816
132b537a0040
141696662826
15bd8bdba1c
hex71ab9a252

30513144402 has 48 divisors (see below), whose sum is σ = 72364540248. Its totient is φ = 9234743040.

The previous prime is 30513144379. The next prime is 30513144437. The reversal of 30513144402 is 20444131503.

It is a happy number.

30513144402 is a `hidden beast` number, since 3 + 0 + 513 + 144 + 4 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8742437001 + 21770707401 = 93501^2 + 147549^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1054563 + ... + 1083110.

Almost surely, 230513144402 is an apocalyptic number.

30513144402 is an abundant number, since it is smaller than the sum of its proper divisors (41851395846).

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

30513144402 is a wasteful number, since it uses less digits than its factorization.

30513144402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137755 (or 2137752 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 30513144402 its reverse (20444131503), we get a palindrome (50957275905).

The spelling of 30513144402 in words is "thirty billion, five hundred thirteen million, one hundred forty-four thousand, four hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 61 78 117 122 183 234 366 549 793 1098 1586 2379 4758 7137 14274 2137673 4275346 6413019 12826038 19239057 27789749 38478114 55579498 83369247 130398053 166738494 250107741 260796106 391194159 500215482 782388318 1173582477 1695174689 2347164954 3390349378 5085524067 10171048134 15256572201 30513144402