Base | Representation |
---|---|
bin | 1110011111011011100… |
… | …1110010101001011101 |
3 | 212210121010122202222010 |
4 | 3213312321302221131 |
5 | 13034330100340134 |
6 | 310211335541433 |
7 | 23662230445620 |
oct | 3476671625135 |
9 | 783533582863 |
10 | 248955480669 |
11 | 96643973435 |
12 | 402ba82a879 |
13 | 1a62686510c |
14 | c099bd5db7 |
15 | 6721291ce9 |
hex | 39f6e72a5d |
248955480669 has 32 divisors (see below), whose sum is σ = 379889238016. Its totient is φ = 142062258240.
The previous prime is 248955480661. The next prime is 248955480679. The reversal of 248955480669 is 966084559842.
It is not a de Polignac number, because 248955480669 - 23 = 248955480661 is a prime.
It is a super-2 number, since 2×2489554806692 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (248955480661) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75279714 + ... + 75283020.
It is an arithmetic number, because the mean of its divisors is an integer number (11871538688).
Almost surely, 2248955480669 is an apocalyptic number.
It is an amenable number.
248955480669 is a deficient number, since it is larger than the sum of its proper divisors (130933757347).
248955480669 is a wasteful number, since it uses less digits than its factorization.
248955480669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7225.
The product of its (nonzero) digits is 149299200, while the sum is 66.
The spelling of 248955480669 in words is "two hundred forty-eight billion, nine hundred fifty-five million, four hundred eighty thousand, six hundred sixty-nine".
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