Base | Representation |
---|---|
bin | 10011100100101100111… |
… | …010000001100010110110 |
3 | 11202120212210212211212210 |
4 | 103210230322001202312 |
5 | 134014210002444310 |
6 | 2505530445154250 |
7 | 166115201550021 |
oct | 23445472014266 |
9 | 4676783784783 |
10 | 1345078171830 |
11 | 47949861a958 |
12 | 198827b5b986 |
13 | 99ac02787b3 |
14 | 491603661b8 |
15 | 24ec6655820 |
hex | 1392ce818b6 |
1345078171830 has 16 divisors (see below), whose sum is σ = 3228187612464. Its totient is φ = 358687512480.
The previous prime is 1345078171799. The next prime is 1345078171837. The reversal of 1345078171830 is 381718705431.
It is a self number, because there is not a number n which added to its sum of digits gives 1345078171830.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1345078171837) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22417969501 + ... + 22417969560.
It is an arithmetic number, because the mean of its divisors is an integer number (201761725779).
Almost surely, 21345078171830 is an apocalyptic number.
1345078171830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1345078171830 is an abundant number, since it is smaller than the sum of its proper divisors (1883109440634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345078171830 is a wasteful number, since it uses less digits than its factorization.
1345078171830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44835939071.
The product of its (nonzero) digits is 564480, while the sum is 48.
The spelling of 1345078171830 in words is "one trillion, three hundred forty-five billion, seventy-eight million, one hundred seventy-one thousand, eight hundred thirty".
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