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293021840057 = 735669708061
BaseRepresentation
bin1000100001110010111…
…01100111001010111001
31001000100012021202212212
410100321131213022321
514300102042340212
6342340134544505
730112232354612
oct4207135471271
91030305252785
10293021840057
111032a720a471
1248958508135
132182a20179b
141027a46cc09
15794ec5ae22
hex44397672b9

293021840057 has 8 divisors (see below), whose sum is σ = 297088653960. Its totient is φ = 288956453760.

The previous prime is 293021840053. The next prime is 293021840101. The reversal of 293021840057 is 750048120392.

It can be written as a sum of positive squares in 4 ways, for example, as 1096669456 + 291925170601 = 33116^2 + 540301^2 .

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 293021840057 - 22 = 293021840053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 293021839996 and 293021840023.

It is not an unprimeable number, because it can be changed into a prime (293021840053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59807 + ... + 767867.

It is an arithmetic number, because the mean of its divisors is an integer number (37136081745).

Almost surely, 2293021840057 is an apocalyptic number.

It is an amenable number.

293021840057 is a deficient number, since it is larger than the sum of its proper divisors (4066813903).

293021840057 is an equidigital number, since it uses as much as digits as its factorization.

293021840057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713803.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 293021840057 in words is "two hundred ninety-three billion, twenty-one million, eight hundred forty thousand, fifty-seven".

Divisors: 1 73 5669 413837 708061 51688453 4013997809 293021840057