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290393829137 = 1690971717321
BaseRepresentation
bin1000011100111001101…
…00100010111100010001
31000202120001012222122002
410032130310202330101
514224211310013022
6341223255323345
726660141551316
oct4163464427421
91022501188562
10290393829137
11102178822a15
1248344380555
13214cb902039
14100ab418d0d
157849196092
hex439cd22f11

290393829137 has 4 divisors (see below), whose sum is σ = 290395715556. Its totient is φ = 290391942720.

The previous prime is 290393829067. The next prime is 290393829163. The reversal of 290393829137 is 731928393092.

It is a happy number.

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 27398194576 + 262995634561 = 165524^2 + 512831^2 .

It is a cyclic number.

It is not a de Polignac number, because 290393829137 - 212 = 290393825041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (290353829137) 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, 689564 + ... + 1027757.

It is an arithmetic number, because the mean of its divisors is an integer number (72598928889).

Almost surely, 2290393829137 is an apocalyptic number.

It is an amenable number.

290393829137 is a deficient number, since it is larger than the sum of its proper divisors (1886419).

290393829137 is a wasteful number, since it uses less digits than its factorization.

290393829137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886418.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 290393829137 in words is "two hundred ninety billion, three hundred ninety-three million, eight hundred twenty-nine thousand, one hundred thirty-seven".

Divisors: 1 169097 1717321 290393829137