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53434689730 = 2597317173777
BaseRepresentation
bin110001110000111101…
…001010100011000010
312002220221210111011121
4301300331022203002
51333413240032410
640314134502454
73601106240302
oct616075124302
9162827714147
1053434689730
1120730542304
12a433204a2a
135067520306
14282c96b602
1515cb1a09da
hexc70f4a8c2

53434689730 has 32 divisors (see below), whose sum is σ = 97481116656. Its totient is φ = 21086674944.

The previous prime is 53434689727. The next prime is 53434689779. The reversal of 53434689730 is 3798643435.

It can be written as a sum of positive squares in 8 ways, for example, as 1147922161 + 52286767569 = 33881^2 + 228663^2 .

It is a super-5 number, since 5×534346897305 (a number of 55 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220602 + ... + 394378.

Almost surely, 253434689730 is an apocalyptic number.

53434689730 is a deficient number, since it is larger than the sum of its proper divisors (44046426926).

53434689730 is a wasteful number, since it uses less digits than its factorization.

53434689730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174198.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 53434689730 in words is "fifty-three billion, four hundred thirty-four million, six hundred eighty-nine thousand, seven hundred thirty".

Divisors: 1 2 5 10 97 194 317 485 634 970 1585 3170 30749 61498 153745 173777 307490 347554 868885 1737770 16856369 33712738 55087309 84281845 110174618 168563690 275436545 550873090 5343468973 10686937946 26717344865 53434689730