Base | Representation |
---|---|
bin | 10111011111000001… |
… | …00110100010000110 |
3 | 1012112200121201210220 |
4 | 23233200212202012 |
5 | 201310202020104 |
6 | 5443034125210 |
7 | 624305143350 |
oct | 135740464206 |
9 | 35480551726 |
10 | 12608235654 |
11 | 5390025073 |
12 | 253a580806 |
13 | 125c184b91 |
14 | 87870a0d0 |
15 | 4dbd687d9 |
hex | 2ef826886 |
12608235654 has 16 divisors (see below), whose sum is σ = 28818824448. Its totient is φ = 3602353032.
The previous prime is 12608235643. The next prime is 12608235671. The reversal of 12608235654 is 45653280621.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 300196087 = 12608235654 / (1 + 2 + 6 + 0 + 8 + 2 + 3 + 5 + 6 + 5 + 4).
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, 150098002 + ... + 150098085.
It is an arithmetic number, because the mean of its divisors is an integer number (1801176528).
Almost surely, 212608235654 is an apocalyptic number.
12608235654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
12608235654 is an abundant number, since it is smaller than the sum of its proper divisors (16210588794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12608235654 is a wasteful number, since it uses less digits than its factorization.
12608235654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300196099.
The product of its (nonzero) digits is 345600, while the sum is 42.
The spelling of 12608235654 in words is "twelve billion, six hundred eight million, two hundred thirty-five thousand, six hundred fifty-four".
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