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249340671341 = 658137887961
BaseRepresentation
bin1110100000110111011…
…1001011010101101101
3212211120222110111020022
43220031313023111231
513041122202440331
6310313455531525
724004615510526
oct3501567132555
9784528414208
10249340671341
1196821343933
12403a7829ba5
131a6885bcaa8
14c0d502384d
156744ecc67b
hex3a0ddcb56d

249340671341 has 4 divisors (see below), whose sum is σ = 249378565884. Its totient is φ = 249302776800.

The previous prime is 249340671337. The next prime is 249340671367. The reversal of 249340671341 is 143176043942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82970498116 + 166370173225 = 288046^2 + 407885^2 .

It is a cyclic number.

It is not a de Polignac number, because 249340671341 - 22 = 249340671337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249340671292 and 249340671301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249340871341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18937400 + ... + 18950561.

It is an arithmetic number, because the mean of its divisors is an integer number (62344641471).

Almost surely, 2249340671341 is an apocalyptic number.

It is an amenable number.

249340671341 is a deficient number, since it is larger than the sum of its proper divisors (37894543).

249340671341 is an equidigital number, since it uses as much as digits as its factorization.

249340671341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37894542.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 249340671341 in words is "two hundred forty-nine billion, three hundred forty million, six hundred seventy-one thousand, three hundred forty-one".

Divisors: 1 6581 37887961 249340671341