Base | Representation |
---|---|
bin | 110010010100100000000… |
… | …0100001100101101100110 |
3 | 220111011022222210220110020 |
4 | 1210221000010030231212 |
5 | 1401302402340022110 |
6 | 22413053113540010 |
7 | 1312443144441402 |
oct | 144510004145546 |
9 | 26434288726406 |
10 | 6915972189030 |
11 | 2227058002273 |
12 | 938441114606 |
13 | 3b2233bb5618 |
14 | 19ca40588102 |
15 | bed78814d70 |
hex | 64a4010cb66 |
6915972189030 has 16 divisors (see below), whose sum is σ = 16598333253744. Its totient is φ = 1844259250400.
The previous prime is 6915972189029. The next prime is 6915972189097. The reversal of 6915972189030 is 309812795196.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115266203121 + ... + 115266203180.
It is an arithmetic number, because the mean of its divisors is an integer number (1037395828359).
Almost surely, 26915972189030 is an apocalyptic number.
6915972189030 is an abundant number, since it is smaller than the sum of its proper divisors (9682361064714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6915972189030 is a wasteful number, since it uses less digits than its factorization.
6915972189030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230532406311.
The product of its (nonzero) digits is 7348320, while the sum is 60.
The spelling of 6915972189030 in words is "six trillion, nine hundred fifteen billion, nine hundred seventy-two million, one hundred eighty-nine thousand, thirty".
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