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12555031146305 = 514595231329009
BaseRepresentation
bin1011011010110011001000…
…1010111110111101000001
31122110020201201002200220212
42312230302022332331001
53121200200433140210
642411411321443505
72434033242633554
oct266546212767501
948406651080825
1012555031146305
114000616855aaa
1214a92ba640595
13700c1ba2290b
143159497c069b
1516b8b9e53805
hexb6b322bef41

12555031146305 has 16 divisors (see below), whose sum is σ = 15079291603200. Its totient is φ = 10035191450880.

The previous prime is 12555031146299. The next prime is 12555031146337. The reversal of 12555031146305 is 50364113055521.

It is a de Polignac number, because none of the positive numbers 2k-12555031146305 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37995641 + ... + 38324649.

It is an arithmetic number, because the mean of its divisors is an integer number (942455725200).

Almost surely, 212555031146305 is an apocalyptic number.

It is an amenable number.

12555031146305 is a deficient number, since it is larger than the sum of its proper divisors (2524260456895).

12555031146305 is a wasteful number, since it uses less digits than its factorization.

12555031146305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335704.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 12555031146305 in words is "twelve trillion, five hundred fifty-five billion, thirty-one million, one hundred forty-six thousand, three hundred five".

Divisors: 1 5 1459 5231 7295 26155 329009 1645045 7632029 38160145 480024131 1721046079 2400120655 8605230395 2511006229261 12555031146305