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34525511989 = 891055936739
BaseRepresentation
bin100000001001111000…
…011000000100110101
310022010010211201202021
4200021320120010311
51031202012340424
623505533313141
72331401003233
oct401170300465
9108103751667
1034525511989
111370782a191
1268366357b1
133342b31b47
1419574b5953
15d710a64e4
hex809e18135

34525511989 has 8 divisors (see below), whose sum is σ = 34917696000. Its totient is φ = 34133422752.

The previous prime is 34525511947. The next prime is 34525512079. The reversal of 34525511989 is 98911552543.

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-34525511989 is a prime.

It is a super-2 number, since 2×345255119892 (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 (34525511929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921382 + ... + 958120.

It is an arithmetic number, because the mean of its divisors is an integer number (4364712000).

Almost surely, 234525511989 is an apocalyptic number.

It is an amenable number.

34525511989 is a deficient number, since it is larger than the sum of its proper divisors (392184011).

34525511989 is a wasteful number, since it uses less digits than its factorization.

34525511989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47387.

The product of its digits is 1944000, while the sum is 52.

The spelling of 34525511989 in words is "thirty-four billion, five hundred twenty-five million, five hundred eleven thousand, nine hundred eighty-nine".

Divisors: 1 89 10559 36739 939751 3269771 387927101 34525511989