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34888786817 = 1091289248317
BaseRepresentation
bin100000011111100010…
…001010001110000001
310100001110102000010112
4200133202022032001
51032423012134232
624005551441105
72343401536433
oct403742121601
9110043360115
1034888786817
11138838a0a15
126918226195
1333a0185371
14198d83a653
15d92e134b2
hex81f88a381

34888786817 has 8 divisors (see below), whose sum is σ = 35236324200. Its totient is φ = 34541748864.

The previous prime is 34888786789. The next prime is 34888786859. The reversal of 34888786817 is 71868788843.

It can be written as a sum of positive squares in 4 ways, for example, as 12937697536 + 21951089281 = 113744^2 + 148159^2 .

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 34888786817 - 26 = 34888786753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34888716817) 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, 16343 + ... + 264659.

It is an arithmetic number, because the mean of its divisors is an integer number (4404540525).

Almost surely, 234888786817 is an apocalyptic number.

It is an amenable number.

34888786817 is a deficient number, since it is larger than the sum of its proper divisors (347537383).

34888786817 is a wasteful number, since it uses less digits than its factorization.

34888786817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249715.

The product of its digits is 115605504, while the sum is 68.

The spelling of 34888786817 in words is "thirty-four billion, eight hundred eighty-eight million, seven hundred eighty-six thousand, eight hundred seventeen".

Divisors: 1 109 1289 140501 248317 27066553 320080613 34888786817