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8435111668445 = 571121909380957
BaseRepresentation
bin111101010111111001111…
…0101011010101011011101
31002212101111102202100002202
41322233303311122223131
52101200102041342240
625535011541101245
71530262634114450
oct172576365325335
932771442670082
108435111668445
1127623466a7840
12b429459b7825
13492573623a77
14212393ad9497
15e963b0eb315
hex7abf3d5aadd

8435111668445 has 16 divisors (see below), whose sum is σ = 12619803431808. Its totient is φ = 5258251429440.

The previous prime is 8435111668439. The next prime is 8435111668453. The reversal of 8435111668445 is 5448661115348.

It is a happy number.

It is not a de Polignac number, because 8435111668445 - 28 = 8435111668189 is a prime.

It is a super-2 number, since 2×84351116684452 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10954690094 + ... + 10954690863.

It is an arithmetic number, because the mean of its divisors is an integer number (788737714488).

Almost surely, 28435111668445 is an apocalyptic number.

It is an amenable number.

8435111668445 is a deficient number, since it is larger than the sum of its proper divisors (4184691763363).

8435111668445 is a wasteful number, since it uses less digits than its factorization.

8435111668445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21909380980.

The product of its digits is 11059200, while the sum is 56.

The spelling of 8435111668445 in words is "eight trillion, four hundred thirty-five billion, one hundred eleven million, six hundred sixty-eight thousand, four hundred forty-five".

Divisors: 1 5 7 11 35 55 77 385 21909380957 109546904785 153365666699 241003190527 766828333495 1205015952635 1687022333689 8435111668445