Base | Representation |
---|---|
bin | 100000101110100000… |
… | …1101010101101010111 |
3 | 20201101221120211000121 |
4 | 1001131001222231113 |
5 | 2122413212214103 |
6 | 52141500252411 |
7 | 5035415541262 |
oct | 1013501525527 |
9 | 221357524017 |
10 | 70280194903 |
11 | 27895379706 |
12 | 11754841107 |
13 | 68204cc959 |
14 | 3589d11cd9 |
15 | 1c6500b6bd |
hex | 105d06ab57 |
70280194903 has 2 divisors, whose sum is σ = 70280194904. Its totient is φ = 70280194902.
The previous prime is 70280194883. The next prime is 70280194909. The reversal of 70280194903 is 30949108207.
It is a strong prime.
It is an emirp because it is prime and its reverse (30949108207) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70280194903 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 70280194903.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70280194909) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35140097451 + 35140097452.
It is an arithmetic number, because the mean of its divisors is an integer number (35140097452).
Almost surely, 270280194903 is an apocalyptic number.
70280194903 is a deficient number, since it is larger than the sum of its proper divisors (1).
70280194903 is an equidigital number, since it uses as much as digits as its factorization.
70280194903 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108864, while the sum is 43.
The spelling of 70280194903 in words is "seventy billion, two hundred eighty million, one hundred ninety-four thousand, nine hundred three".
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