Base | Representation |
---|---|
bin | 10111011110011010… |
… | …01101011100011011 |
3 | 1012112100001110120011 |
4 | 23233031031130123 |
5 | 201302401332110 |
6 | 5442333142351 |
7 | 624214011556 |
oct | 135715153433 |
9 | 35470043504 |
10 | 12603152155 |
11 | 5388172830 |
12 | 253892a9b7 |
13 | 125b0c50a9 |
14 | 877b8569d |
15 | 4db6b248a |
hex | 2ef34d71b |
12603152155 has 32 divisors (see below), whose sum is σ = 16956366336. Its totient is φ = 8913120000.
The previous prime is 12603152129. The next prime is 12603152161. The reversal of 12603152155 is 55125130621.
It is not a de Polignac number, because 12603152155 - 29 = 12603151643 is a prime.
It is a super-2 number, since 2×126031521552 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692320 + ... + 710290.
It is an arithmetic number, because the mean of its divisors is an integer number (529886448).
Almost surely, 212603152155 is an apocalyptic number.
12603152155 is a deficient number, since it is larger than the sum of its proper divisors (4353214181).
12603152155 is a wasteful number, since it uses less digits than its factorization.
12603152155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18339.
The product of its (nonzero) digits is 9000, while the sum is 31.
Adding to 12603152155 its reverse (55125130621), we get a palindrome (67728282776).
The spelling of 12603152155 in words is "twelve billion, six hundred three million, one hundred fifty-two thousand, one hundred fifty-five".
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