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248312405428 = 221710657342653
BaseRepresentation
bin1110011101000010010…
…0101001110110110100
3212201221022121011120121
43213100210221312310
513032020433433203
6310023444341324
723640261422653
oct3472044516664
9781838534517
10248312405428
119634397449a
124015b3a4844
131a553567019
14c03863919a
1566d4ab60bd
hex39d0929db4

248312405428 has 24 divisors (see below), whose sum is σ = 460152797832. Its totient is φ = 116841590784.

The previous prime is 248312405389. The next prime is 248312405461. The reversal of 248312405428 is 824504213842.

248312405428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13007858704 + 235304546724 = 114052^2 + 485082^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 553350 + ... + 896002.

It is an arithmetic number, because the mean of its divisors is an integer number (19173033243).

Almost surely, 2248312405428 is an apocalyptic number.

It is an amenable number.

248312405428 is a deficient number, since it is larger than the sum of its proper divisors (211840392404).

248312405428 is a wasteful number, since it uses less digits than its factorization.

248312405428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353331 (or 353329 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The spelling of 248312405428 in words is "two hundred forty-eight billion, three hundred twelve million, four hundred five thousand, four hundred twenty-eight".

Divisors: 1 2 4 17 34 68 10657 21314 42628 181169 342653 362338 685306 724676 1370612 5825101 11650202 23300404 3651653021 7303306042 14606612084 62078101357 124156202714 248312405428