Base | Representation |
---|---|
bin | 1100100001000011111… |
… | …0011100011000010110 |
3 | 202120001000211211002101 |
4 | 3020100332130120112 |
5 | 12010341442410210 |
6 | 242441311032314 |
7 | 21351502532212 |
oct | 3102076343026 |
9 | 676030754071 |
10 | 215033169430 |
11 | 83216688972 |
12 | 3581220b69a |
13 | 1737b9ac9c1 |
14 | a59c89b942 |
15 | 58d813ba3a |
hex | 3210f9c616 |
215033169430 has 32 divisors (see below), whose sum is σ = 394286630400. Its totient is φ = 84416761440.
The previous prime is 215033169413. The next prime is 215033169479. The reversal of 215033169430 is 34961330512.
It is a super-2 number, since 2×2150331694302 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 215033169430.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410580 + ... + 773719.
It is an arithmetic number, because the mean of its divisors is an integer number (12321457200).
Almost surely, 2215033169430 is an apocalyptic number.
215033169430 is a deficient number, since it is larger than the sum of its proper divisors (179253460970).
215033169430 is a wasteful number, since it uses less digits than its factorization.
215033169430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1184644.
The product of its (nonzero) digits is 58320, while the sum is 37.
Adding to 215033169430 its reverse (34961330512), we get a palindrome (249994499942).
The spelling of 215033169430 in words is "two hundred fifteen billion, thirty-three million, one hundred sixty-nine thousand, four hundred thirty".
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