Base | Representation |
---|---|
bin | 111001110001111110100001… |
… | …101101011000100100010000 |
3 | 1020022202220222210122122100021 |
4 | 321301332201231120210100 |
5 | 231302022443004000222 |
6 | 2300250303032033224 |
7 | 104345532622411630 |
oct | 7161764155304420 |
9 | 1208686883578307 |
10 | 254123043031312 |
11 | 73a75a828a9634 |
12 | 246028b8b32814 |
13 | aba4914264690 |
14 | 46a7899abc6c0 |
15 | 1e5a4cbda3ac7 |
hex | e71fa1b58910 |
254123043031312 has 160 divisors (see below), whose sum is σ = 638493711564800. Its totient is φ = 95149347992064.
The previous prime is 254123043031307. The next prime is 254123043031387. The reversal of 254123043031312 is 213130340321452.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24322273 + ... + 33163519.
It is an arithmetic number, because the mean of its divisors is an integer number (3990585697280).
Almost surely, 2254123043031312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 254123043031312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319246855782400).
254123043031312 is an abundant number, since it is smaller than the sum of its proper divisors (384370668533488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254123043031312 is a wasteful number, since it uses less digits than its factorization.
254123043031312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8842333 (or 8842327 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 34.
Adding to 254123043031312 its reverse (213130340321452), we get a palindrome (467253383352764).
The spelling of 254123043031312 in words is "two hundred fifty-four trillion, one hundred twenty-three billion, forty-three million, thirty-one thousand, three hundred twelve".
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