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248902371449 = 4319329991851
BaseRepresentation
bin1110011111001110111…
…1001100100001111001
3212210110102201112210222
43213303233030201321
513034223001341244
6310202201345425
723661014151344
oct3476357144171
9783412645728
10248902371449
1196616999716
12402a4a98275
131a61885b744
14c092b2d45b
15671b7a0bee
hex39f3bcc879

248902371449 has 8 divisors (see below), whose sum is σ = 256010448672. Its totient is φ = 241854278400.

The previous prime is 248902371437. The next prime is 248902371457. The reversal of 248902371449 is 944173209842.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-248902371449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248902371449.

It is not an unprimeable number, because it can be changed into a prime (248902371479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14987627 + ... + 15004224.

It is an arithmetic number, because the mean of its divisors is an integer number (32001306084).

Almost surely, 2248902371449 is an apocalyptic number.

It is an amenable number.

248902371449 is a deficient number, since it is larger than the sum of its proper divisors (7108077223).

248902371449 is a wasteful number, since it uses less digits than its factorization.

248902371449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29992087.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 248902371449 in words is "two hundred forty-eight billion, nine hundred two million, three hundred seventy-one thousand, four hundred forty-nine".

Divisors: 1 43 193 8299 29991851 1289649593 5788427243 248902371449