Base | Representation |
---|---|
bin | 1101111101111101110111… |
… | …0111110111111011100101 |
3 | 2000101020021111020001010210 |
4 | 3133133131313313323211 |
5 | 4003112124001314244 |
6 | 52355250152210033 |
7 | 3143411161152006 |
oct | 337373567677345 |
9 | 60336244201123 |
10 | 15358230494949 |
11 | 49914307a9571 |
12 | 1880640399919 |
13 | 875376004854 |
14 | 3b14b14911ad |
15 | 1b97820434b9 |
hex | df7dddf7ee5 |
15358230494949 has 16 divisors (see below), whose sum is σ = 20813633477120. Its totient is φ = 10070828660160.
The previous prime is 15358230494899. The next prime is 15358230494993. The reversal of 15358230494949 is 94949403285351.
It is not a de Polignac number, because 15358230494949 - 27 = 15358230494821 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 15358230494949.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15358230496949) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13294779 + ... + 14403735.
It is an arithmetic number, because the mean of its divisors is an integer number (1300852092320).
Almost surely, 215358230494949 is an apocalyptic number.
It is an amenable number.
15358230494949 is a deficient number, since it is larger than the sum of its proper divisors (5455402982171).
15358230494949 is a wasteful number, since it uses less digits than its factorization.
15358230494949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1184700.
The product of its (nonzero) digits is 167961600, while the sum is 66.
The spelling of 15358230494949 in words is "fifteen trillion, three hundred fifty-eight billion, two hundred thirty million, four hundred ninety-four thousand, nine hundred forty-nine".
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