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248520908494 = 2613229630863
BaseRepresentation
bin1110011101110100000…
…0000001111011001110
3212202110211221020000101
43213131000001323032
513032432323032434
6310100253321314
723645402603425
oct3473500017316
9782424836011
10248520908494
1196440634981
12401b919623a
131a58780a711
14c0581d22bc
1566e804eb14
hex39dd001ece

248520908494 has 16 divisors (see below), whose sum is σ = 379010473920. Its totient is φ = 122185352160.

The previous prime is 248520908483. The next prime is 248520908509. The reversal of 248520908494 is 494809025842.

248520908494 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 78507 + ... + 709369.

It is an arithmetic number, because the mean of its divisors is an integer number (23688154620).

Almost surely, 2248520908494 is an apocalyptic number.

248520908494 is a deficient number, since it is larger than the sum of its proper divisors (130489565426).

248520908494 is a wasteful number, since it uses less digits than its factorization.

248520908494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634155.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 248520908494 in words is "two hundred forty-eight billion, five hundred twenty million, nine hundred eight thousand, four hundred ninety-four".

Divisors: 1 2 61 122 3229 6458 196969 393938 630863 1261726 38482643 76965286 2037056627 4074113254 124260454247 248520908494