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255121530103 = 1179293580587
BaseRepresentation
bin1110110110011001101…
…1011001110011110111
3220101111212011112122101
43231212123121303313
513134442102430403
6313111243442531
724301102140256
oct3554633316367
9811455145571
10255121530103
11992184a8660
124153b826447
131b09a15bc8b
14c4c2aaa79d
15698277971d
hex3b666d9cf7

255121530103 has 8 divisors (see below), whose sum is σ = 281837364480. Its totient is φ = 228992857080.

The previous prime is 255121530073. The next prime is 255121530119. The reversal of 255121530103 is 301035121552.

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 255121530103 - 25 = 255121530071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255121530403) 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, 146789425 + ... + 146791162.

It is an arithmetic number, because the mean of its divisors is an integer number (35229670560).

Almost surely, 2255121530103 is an apocalyptic number.

255121530103 is a deficient number, since it is larger than the sum of its proper divisors (26715834377).

255121530103 is a wasteful number, since it uses less digits than its factorization.

255121530103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293580677.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 255121530103 its reverse (301035121552), we get a palindrome (556156651655).

The spelling of 255121530103 in words is "two hundred fifty-five billion, one hundred twenty-one million, five hundred thirty thousand, one hundred three".

Divisors: 1 11 79 869 293580587 3229386457 23192866373 255121530103