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30178330213 = 316714529769
BaseRepresentation
bin11100000110110001…
…001100011001100101
32212220011212000102211
4130012301030121211
5443301123031323
621510322203421
72115563401003
oct340661143145
985804760384
1030178330213
1111886976179
125a227b3571
132acc302c35
141663dc9a73
15bb960270d
hex706c4c665

30178330213 has 8 divisors (see below), whose sum is σ = 31616779520. Its totient is φ = 28768940640.

The previous prime is 30178330201. The next prime is 30178330253. The reversal of 30178330213 is 31203387103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30178330213 is a prime.

It is a super-2 number, since 2×301783302132 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30178330253) 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, 7262808 + ... + 7266961.

It is an arithmetic number, because the mean of its divisors is an integer number (3952097440).

Almost surely, 230178330213 is an apocalyptic number.

It is an amenable number.

30178330213 is a deficient number, since it is larger than the sum of its proper divisors (1438449307).

30178330213 is a wasteful number, since it uses less digits than its factorization.

30178330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14529867.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 30178330213 in words is "thirty billion, one hundred seventy-eight million, three hundred thirty thousand, two hundred thirteen".

Divisors: 1 31 67 2077 14529769 450422839 973494523 30178330213