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30312000403 = 234132144221
BaseRepresentation
bin11100001110101111…
…000110101110010011
32220020111101011110121
4130032233012232103
5444034333003103
621531455211111
72122105516006
oct341657065623
986214334417
1030312000403
1111945374603
125a5b516a97
132b20c05119
141677a6353d
15bc62086bd
hex70ebc6b93

30312000403 has 8 divisors (see below), whose sum is σ = 32401375776. Its totient is φ = 28286913600.

The previous prime is 30312000391. The next prime is 30312000431. The reversal of 30312000403 is 30400021303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30312000403 - 217 = 30311869331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312010403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16071168 + ... + 16073053.

It is an arithmetic number, because the mean of its divisors is an integer number (4050171972).

Almost surely, 230312000403 is an apocalyptic number.

30312000403 is a deficient number, since it is larger than the sum of its proper divisors (2089375373).

30312000403 is a wasteful number, since it uses less digits than its factorization.

30312000403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32144285.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30312000403 its reverse (30400021303), we get a palindrome (60712021706).

The spelling of 30312000403 in words is "thirty billion, three hundred twelve million, four hundred three", and thus it is an aban number.

Divisors: 1 23 41 943 32144221 739317083 1317913061 30312000403