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30287146199 = 59513341461
BaseRepresentation
bin11100001101010000…
…010010110011010111
32220011202121102220112
4130031100102303113
5444012002134244
621525210353235
72121354331532
oct341520226327
986152542815
1030287146199
1111932339242
125a5312b81b
132b18a123ab
141674633a19
15bc3e4939e
hex70d412cd7

30287146199 has 4 divisors (see below), whose sum is σ = 30800487720. Its totient is φ = 29773804680.

The previous prime is 30287146139. The next prime is 30287146271. The reversal of 30287146199 is 99164178203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30287146199 is a prime.

It is a super-2 number, since 2×302871461992 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30287146139) 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 3 ways as a sum of consecutive naturals, for example, 256670672 + ... + 256670789.

It is an arithmetic number, because the mean of its divisors is an integer number (7700121930).

Almost surely, 230287146199 is an apocalyptic number.

30287146199 is a deficient number, since it is larger than the sum of its proper divisors (513341521).

30287146199 is an equidigital number, since it uses as much as digits as its factorization.

30287146199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513341520.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 30287146199 in words is "thirty billion, two hundred eighty-seven million, one hundred forty-six thousand, one hundred ninety-nine".

Divisors: 1 59 513341461 30287146199