Search a number
-
+
53005280305 = 5171983395429
BaseRepresentation
bin110001010111010111…
…000110010000110001
312001211000210020011211
4301113113012100301
51332023322432210
640203355040121
73554343306625
oct612727062061
9161730706154
1053005280305
112053010a68a
12a333440041
134cc95827b3
1427cb90d185
1515a362d38a
hexc575c6431

53005280305 has 32 divisors (see below), whose sum is σ = 71746819200. Its totient is φ = 37353710592.

The previous prime is 53005280303. The next prime is 53005280369. The reversal of 53005280305 is 50308250035.

It is not a de Polignac number, because 53005280305 - 21 = 53005280303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53005280303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63670 + ... + 331759.

It is an arithmetic number, because the mean of its divisors is an integer number (2242088100).

Almost surely, 253005280305 is an apocalyptic number.

It is an amenable number.

53005280305 is a deficient number, since it is larger than the sum of its proper divisors (18741538895).

53005280305 is a wasteful number, since it uses less digits than its factorization.

53005280305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395553.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 53005280305 in words is "fifty-three billion, five million, two hundred eighty thousand, three hundred five".

Divisors: 1 5 17 19 83 85 95 323 415 1411 1577 1615 7055 7885 26809 134045 395429 1977145 6722293 7513151 32820607 33611465 37565755 127723567 164103035 557950319 623591533 638617835 2789751595 3117957665 10601056061 53005280305