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53254802109 = 3229358121647
BaseRepresentation
bin110001100110001110…
…111100101010111101
312002110102022020202010
4301212032330222331
51333031212131414
640244231121433
73563463230505
oct614616745275
9162412266663
1053254802109
1120648a47053
12a3a2b13279
135039188632
142812b02a05
1515ba4ba959
hexc663bcabd

53254802109 has 16 divisors (see below), whose sum is σ = 71339685120. Its totient is φ = 35336662080.

The previous prime is 53254802033. The next prime is 53254802113. The reversal of 53254802109 is 90120845235.

It is not a de Polignac number, because 53254802109 - 211 = 53254800061 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53254802309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2449324 + ... + 2470970.

It is an arithmetic number, because the mean of its divisors is an integer number (4458730320).

Almost surely, 253254802109 is an apocalyptic number.

It is an amenable number.

53254802109 is a deficient number, since it is larger than the sum of its proper divisors (18084883011).

53254802109 is a wasteful number, since it uses less digits than its factorization.

53254802109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25460.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 53254802109 in words is "fifty-three billion, two hundred fifty-four million, eight hundred two thousand, one hundred nine".

Divisors: 1 3 229 687 3581 10743 21647 64941 820049 2460147 4957163 14871489 77517907 232553721 17751600703 53254802109