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104203290349 = 285757364657
BaseRepresentation
bin110000100001100000…
…0000000011011101101
3100221222002212121122001
41201003000000123231
53201402020242344
6115511554052301
710346153232214
oct1410300003355
9327862777561
10104203290349
114021304a384
121824157a091
139a9859acb2
1450873b207b
152a9d268ed4
hex18430006ed

104203290349 has 4 divisors (see below), whose sum is σ = 104203940764. Its totient is φ = 104202639936.

The previous prime is 104203290329. The next prime is 104203290371. The reversal of 104203290349 is 943092302401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 943092302401 = 1997472254533.

It can be written as a sum of positive squares in 2 ways, for example, as 56307967849 + 47895322500 = 237293^2 + 218850^2 .

It is a cyclic number.

It is not a de Polignac number, because 104203290349 - 219 = 104202766061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104203290329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103429 + ... + 468085.

It is an arithmetic number, because the mean of its divisors is an integer number (26050985191).

Almost surely, 2104203290349 is an apocalyptic number.

It is an amenable number.

104203290349 is a deficient number, since it is larger than the sum of its proper divisors (650415).

104203290349 is an equidigital number, since it uses as much as digits as its factorization.

104203290349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650414.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 104203290349 in words is "one hundred four billion, two hundred three million, two hundred ninety thousand, three hundred forty-nine".

Divisors: 1 285757 364657 104203290349