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250315201324021 = 4123434126052841
BaseRepresentation
bin111000111010100100001100…
…101010000010001111110101
31012211021220021202200121210011
4320322210030222002033311
5230302131013014332041
62244213114353100221
7103503451016061241
oct7072441452021765
91184256252617704
10250315201324021
1172838098497439
12240a891a557671
13a989811c88632
1445b546b1dd421
151de1415bdde81
hexe3a90ca823f5

250315201324021 has 8 divisors (see below), whose sum is σ = 256421554198488. Its totient is φ = 244208901024000.

The previous prime is 250315201323989. The next prime is 250315201324033. The reversal of 250315201324021 is 120423102513052.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 114340035140100 + 135975166183921 = 10692990^2 + 11660839^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 250315201324021 - 25 = 250315201323989 is a prime.

It is a super-4 number, since 4×2503152013240214 (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250315201324051) 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, 3418440 + ... + 22634401.

It is an arithmetic number, because the mean of its divisors is an integer number (32052694274811).

Almost surely, 2250315201324021 is an apocalyptic number.

It is an amenable number.

250315201324021 is a deficient number, since it is larger than the sum of its proper divisors (6106352874467).

250315201324021 is a wasteful number, since it uses less digits than its factorization.

250315201324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26287223.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 250315201324021 its reverse (120423102513052), we get a palindrome (370738303837073).

The spelling of 250315201324021 in words is "two hundred fifty trillion, three hundred fifteen billion, two hundred one million, three hundred twenty-four thousand, twenty-one".

Divisors: 1 41 234341 9607981 26052841 1068166481 6105248812781 250315201324021