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248244208513 = 7241711740367
BaseRepresentation
bin1110011100110010000…
…0100000001110000001
3212201202120021101222221
43213030200200032001
513031401004133023
6310013010531041
723635502646100
oct3471440401601
9781676241887
10248244208513
1196309425104
1240140596a81
131a5423aa112
14c02d566037
1566cdae485d
hex39cc820381

248244208513 has 24 divisors (see below), whose sum is σ = 299983751424. Its totient is φ = 204667041600.

The previous prime is 248244208439. The next prime is 248244208519. The reversal of 248244208513 is 315802442842.

It is not a de Polignac number, because 248244208513 - 217 = 248244077441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248244208513.

It is not an unprimeable number, because it can be changed into a prime (248244208519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727545 + ... + 1012822.

It is an arithmetic number, because the mean of its divisors is an integer number (12499322976).

Almost surely, 2248244208513 is an apocalyptic number.

It is an amenable number.

248244208513 is a deficient number, since it is larger than the sum of its proper divisors (51739542911).

248244208513 is a wasteful number, since it uses less digits than its factorization.

248244208513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740493 (or 1740486 counting only the distinct ones).

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

The spelling of 248244208513 in words is "two hundred forty-eight billion, two hundred forty-four million, two hundred eight thousand, five hundred thirteen".

Divisors: 1 7 41 49 71 287 497 2009 2911 3479 20377 142639 1740367 12182569 71355047 85277983 123566057 499485329 864962399 3496397303 5066208337 6054736793 35463458359 248244208513