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30691332195151 = 1989193469120047
BaseRepresentation
bin1101111101001111000011…
…11101000000001101001111
311000200001200201012001021211
412332213201331000031033
513010321322020221101
6145135223043235251
76315242552161525
oct676474175001517
9130601621161254
1030691332195151
1198631369a2671
123538229078b27
131418245bb9b84
1478167b430315
15383542e22c51
hex1be9e1f4034f

30691332195151 has 32 divisors (see below), whose sum is σ = 32847573427200. Its totient is φ = 28592818974720.

The previous prime is 30691332195133. The next prime is 30691332195217. The reversal of 30691332195151 is 15159123319603.

It is a cyclic number.

It is not a de Polignac number, because 30691332195151 - 211 = 30691332193103 is a prime.

It is a super-2 number, since 2×306913321951512 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30691332195095 and 30691332195104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30691332195131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1530958810 + ... + 1530978856.

It is an arithmetic number, because the mean of its divisors is an integer number (1026486669600).

Almost surely, 230691332195151 is an apocalyptic number.

30691332195151 is a deficient number, since it is larger than the sum of its proper divisors (2156241232049).

30691332195151 is a wasteful number, since it uses less digits than its factorization.

30691332195151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25039.

The product of its (nonzero) digits is 656100, while the sum is 49.

The spelling of 30691332195151 in words is "thirty trillion, six hundred ninety-one billion, three hundred thirty-two million, one hundred ninety-five thousand, one hundred fifty-one".

Divisors: 1 19 89 193 1691 3667 4691 17177 20047 89129 326363 380893 417499 905363 1784183 3869071 7932481 17201897 33899477 73512349 80577307 94040477 344347319 1530968833 1786769063 6542599061 8369602453 18149812061 159022446607 344846429159 1615333273429 30691332195151