Search a number
-
+
53738611806 = 23112233651217
BaseRepresentation
bin110010000011000100…
…100010010001011110
312010201010200022212210
4302003010202101132
51340024041034211
640404232541250
73611456443425
oct620304422136
9163633608783
1053738611806
1120877055480
12a4b8b51826
1350b5492369
14285b0822bc
1515e7bd69a6
hexc8312245e

53738611806 has 32 divisors (see below), whose sum is σ = 117773687808. Its totient is φ = 16211399040.

The previous prime is 53738611799. The next prime is 53738611813. The reversal of 53738611806 is 60811683735.

It is an interprime number because it is at equal distance from previous prime (53738611799) and next prime (53738611813).

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, 1810891 + ... + 1840326.

It is an arithmetic number, because the mean of its divisors is an integer number (3680427744).

Almost surely, 253738611806 is an apocalyptic number.

53738611806 is an abundant number, since it is smaller than the sum of its proper divisors (64035076002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53738611806 is a wasteful number, since it uses less digits than its factorization.

53738611806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651456.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 53738611806 in words is "fifty-three billion, seven hundred thirty-eight million, six hundred eleven thousand, eight hundred six".

Divisors: 1 2 3 6 11 22 33 66 223 446 669 1338 2453 4906 7359 14718 3651217 7302434 10953651 21907302 40163387 80326774 120490161 240980322 814221391 1628442782 2442664173 4885328346 8956435301 17912870602 26869305903 53738611806