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213002010325 = 5213250414677
BaseRepresentation
bin1100011001011111101…
…0001011111011010101
3202100210110212020121101
43012113322023323111
511442212003312300
6241503552150101
721250250133436
oct3062772137325
9670713766541
10213002010325
1182374099a85
1235345b38331
1317116c45c00
14a448c1148d
155819b71b6a
hex3197e8bed5

213002010325 has 18 divisors (see below), whose sum is σ = 286002468294. Its totient is φ = 157293789120.

The previous prime is 213002010301. The next prime is 213002010427. The reversal of 213002010325 is 523010200312.

It can be written as a sum of positive squares in 9 ways, for example, as 140683506084 + 72318504241 = 375078^2 + 268921^2 .

It is not a de Polignac number, because 213002010325 - 213 = 213002002133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 25203114 + ... + 25211563.

Almost surely, 2213002010325 is an apocalyptic number.

213002010325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213002010325 is a deficient number, since it is larger than the sum of its proper divisors (73000457969).

213002010325 is a wasteful number, since it uses less digits than its factorization.

213002010325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50414713 (or 50414695 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 213002010325 its reverse (523010200312), we get a palindrome (736012210637).

The spelling of 213002010325 in words is "two hundred thirteen billion, two million, ten thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 4225 50414677 252073385 655390801 1260366925 3276954005 8520080413 16384770025 42600402065 213002010325