Search a number
-
+
280848062401 = 372143232
BaseRepresentation
bin1000001011000111101…
…10010101011111000001
3222211220210011210101221
410011203312111133001
514100134100444101
6333004140355041
726201451066514
oct4054366253701
9884823153357
10280848062401
11a911a4560a5
124651b545a81
132063a06435a
14d843736d7b
15748b110aa1
hex4163d957c1

280848062401 has 9 divisors (see below), whose sum is σ = 288663852771. Its totient is φ = 273238495992.

The previous prime is 280848062389. The next prime is 280848062419. The reversal of 280848062401 is 104260848082.

The square root of 280848062401 is 529951.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 251306703025 + 29541359376 = 501305^2 + 171876^2 .

It is a de Polignac number, because none of the positive numbers 2k-280848062401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (280848060401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19601026 + ... + 19615348.

It is an arithmetic number, because the mean of its divisors is an integer number (32073761419).

Almost surely, 2280848062401 is an apocalyptic number.

280848062401 is the 529951-st square number.

280848062401 is the 264976-th centered octagonal number.

It is an amenable number.

280848062401 is a deficient number, since it is larger than the sum of its proper divisors (7815790370).

280848062401 is an frugal number, since it uses more digits than its factorization.

280848062401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28720 (or 14360 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 43.

The spelling of 280848062401 in words is "two hundred eighty billion, eight hundred forty-eight million, sixty-two thousand, four hundred one".

Divisors: 1 37 1369 14323 529951 19608187 205148329 7590488173 280848062401