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53508788205 = 353796412231
BaseRepresentation
bin110001110101010111…
…110100111111101101
312010010010020002011120
4301311113310333231
51334041222210310
640325343011153
73602666123655
oct616527647755
9163103202146
1053508788205
1120769352614
12a453b99ab9
135079995472
142838739365
1515d293ab70
hexc755f4fed

53508788205 has 16 divisors (see below), whose sum is σ = 87927955584. Its totient is φ = 27766722240.

The previous prime is 53508788153. The next prime is 53508788237. The reversal of 53508788205 is 50288780535.

It is a happy number.

It is not a de Polignac number, because 53508788205 - 29 = 53508787693 is a prime.

It is a Curzon number.

It is a congruent number.

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, 48205561 + ... + 48206670.

It is an arithmetic number, because the mean of its divisors is an integer number (5495497224).

Almost surely, 253508788205 is an apocalyptic number.

It is an amenable number.

53508788205 is a deficient number, since it is larger than the sum of its proper divisors (34419167379).

53508788205 is a wasteful number, since it uses less digits than its factorization.

53508788205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96412276.

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 53508788205 in words is "fifty-three billion, five hundred eight million, seven hundred eighty-eight thousand, two hundred five".

Divisors: 1 3 5 15 37 111 185 555 96412231 289236693 482061155 1446183465 3567252547 10701757641 17836262735 53508788205