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250420512241 = 1391801586419
BaseRepresentation
bin1110100100111000111…
…0011100010111110001
3212221101020101002110201
43221032032130113301
513100330122342431
6311012552355201
724043440142654
oct3511616342761
9787336332421
10250420512241
119722593a329
12406493a5b01
131a7cb232ac3
14c1985d589b
1567a9bd0461
hex3a4e39c5f1

250420512241 has 4 divisors (see below), whose sum is σ = 252222098800. Its totient is φ = 248618925684.

The previous prime is 250420512169. The next prime is 250420512247. The reversal of 250420512241 is 142215024052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250420512241 - 221 = 250418415089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250420512247) 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, 900793071 + ... + 900793348.

It is an arithmetic number, because the mean of its divisors is an integer number (63055524700).

Almost surely, 2250420512241 is an apocalyptic number.

It is an amenable number.

250420512241 is a deficient number, since it is larger than the sum of its proper divisors (1801586559).

250420512241 is a wasteful number, since it uses less digits than its factorization.

250420512241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801586558.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 250420512241 its reverse (142215024052), we get a palindrome (392635536293).

The spelling of 250420512241 in words is "two hundred fifty billion, four hundred twenty million, five hundred twelve thousand, two hundred forty-one".

Divisors: 1 139 1801586419 250420512241