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255112534215 = 3257111979181271
BaseRepresentation
bin1110110110010111100…
…1000101100011000111
3220101111020020111121100
43231211321011203013
513134432302043330
6313110322551143
724300632522220
oct3554571054307
9811436214540
10255112534215
1199213413940
12415388084b3
131b09832c476
14c4c1808247
156981a9e060
hex3b65e458c7

255112534215 has 384 divisors, whose sum is σ = 593097523200. Its totient is φ = 98257536000.

The previous prime is 255112534211. The next prime is 255112534223. The reversal of 255112534215 is 512435211552.

255112534215 is a `hidden beast` number, since 2 + 5 + 5 + 112 + 534 + 2 + 1 + 5 = 666.

It is not a de Polignac number, because 255112534215 - 22 = 255112534211 is a prime.

It is a super-2 number, since 2×2551125342152 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255112534215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255112534211) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 941374530 + ... + 941374800.

It is an arithmetic number, because the mean of its divisors is an integer number (1544524800).

Almost surely, 2255112534215 is an apocalyptic number.

255112534215 is an abundant number, since it is smaller than the sum of its proper divisors (337984988985).

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

255112534215 is a wasteful number, since it uses less digits than its factorization.

255112534215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579 (or 576 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

Adding to 255112534215 its reverse (512435211552), we get a palindrome (767547745767).

The spelling of 255112534215 in words is "two hundred fifty-five billion, one hundred twelve million, five hundred thirty-four thousand, two hundred fifteen".