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30109511047 = 7111061368551
BaseRepresentation
bin11100000010101010…
…101010110110000111
32212201101100122021211
4130002222222312013
5443131013323142
621455423152251
72114066423020
oct340252526607
985641318254
1030109511047
1111851041330
125a03745687
132abac88a35
141658bd3c47
15bb355b917
hex702aaad87

30109511047 has 16 divisors (see below), whose sum is σ = 37574613504. Its totient is φ = 23439780000.

The previous prime is 30109511023. The next prime is 30109511051. The reversal of 30109511047 is 74011590103.

It is not a de Polignac number, because 30109511047 - 231 = 27962027399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30109511017) 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 15 ways as a sum of consecutive naturals, for example, 102579 + ... + 265972.

It is an arithmetic number, because the mean of its divisors is an integer number (2348413344).

Almost surely, 230109511047 is an apocalyptic number.

30109511047 is a deficient number, since it is larger than the sum of its proper divisors (7465102457).

30109511047 is a wasteful number, since it uses less digits than its factorization.

30109511047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369630.

The product of its (nonzero) digits is 3780, while the sum is 31.

The spelling of 30109511047 in words is "thirty billion, one hundred nine million, five hundred eleven thousand, forty-seven".

Divisors: 1 7 11 77 1061 7427 11671 81697 368551 2579857 4054061 28378427 391032611 2737228277 4301358721 30109511047