Search a number
-
+
53148015209 = 163613531911
BaseRepresentation
bin110001011111110111…
…100101101001101001
312002011222100220122202
4301133313211221221
51332321342441314
640225454225545
73561025450442
oct613767455151
9162158326582
1053148015209
11205a373a513
12a3731b52b5
135020009913
1428028662c9
1515b0e250de
hexc5fde5a69

53148015209 has 8 divisors (see below), whose sum is σ = 53561410752. Its totient is φ = 52735685040.

The previous prime is 53148015199. The next prime is 53148015211. The reversal of 53148015209 is 90251084135.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53148015209 - 212 = 53148011113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53148015269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166037 + ... + 365874.

It is an arithmetic number, because the mean of its divisors is an integer number (6695176344).

Almost surely, 253148015209 is an apocalyptic number.

It is an amenable number.

53148015209 is a deficient number, since it is larger than the sum of its proper divisors (413395543).

53148015209 is a wasteful number, since it uses less digits than its factorization.

53148015209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532687.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 53148015209 in words is "fifty-three billion, one hundred forty-eight million, fifteen thousand, two hundred nine".

Divisors: 1 163 613 99919 531911 86701493 326061443 53148015209