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53130231215 = 537287190439
BaseRepresentation
bin110001011110110011…
…101111110110101111
312002010201220101121022
4301132303233312233
51332302314344330
640224021124355
73560421341165
oct613663576657
9162121811538
1053130231215
11205946a30a6
12a3692596bb
135019421049
142800357235
1515ae5b0ae5
hexc5ecefdaf

53130231215 has 8 divisors (see below), whose sum is σ = 65479420320. Its totient is φ = 41355423072.

The previous prime is 53130231211. The next prime is 53130231241. The reversal of 53130231215 is 51213203135.

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 53130231215 - 22 = 53130231211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53130231211) 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, 143595035 + ... + 143595404.

It is an arithmetic number, because the mean of its divisors is an integer number (8184927540).

Almost surely, 253130231215 is an apocalyptic number.

53130231215 is a deficient number, since it is larger than the sum of its proper divisors (12349189105).

53130231215 is a wasteful number, since it uses less digits than its factorization.

53130231215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287190481.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 53130231215 in words is "fifty-three billion, one hundred thirty million, two hundred thirty-one thousand, two hundred fifteen".

Divisors: 1 5 37 185 287190439 1435952195 10626046243 53130231215