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730210157140 = 225116333138529
BaseRepresentation
bin10101010000000111110…
…10101100001001010100
32120210210121020101111211
422220003322230021110
543430432300012030
61315242013511204
7103520200632262
oct12500372541124
92523717211454
10730210157140
11261753662912
12b9629aa2504
1353b21234579
14274b1617432
1513edb39512a
hexaa03eac254

730210157140 has 24 divisors (see below), whose sum is σ = 1533573636840. Its totient is φ = 292058861568.

The previous prime is 730210157107. The next prime is 730210157177. The reversal of 730210157140 is 41751012037.

It can be written as a sum of positive squares in 4 ways, for example, as 27651033796 + 702559123344 = 166286^2 + 838188^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336605 + ... + 1801924.

It is an arithmetic number, because the mean of its divisors is an integer number (63898901535).

Almost surely, 2730210157140 is an apocalyptic number.

It is an amenable number.

730210157140 is an abundant number, since it is smaller than the sum of its proper divisors (803363479700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

730210157140 is a wasteful number, since it uses less digits than its factorization.

730210157140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150171 (or 3150169 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 730210157140 its reverse (41751012037), we get a palindrome (771961169177).

The spelling of 730210157140 in words is "seven hundred thirty billion, two hundred ten million, one hundred fifty-seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11633 23266 46532 58165 116330 232660 3138529 6277058 12554116 15692645 31385290 62770580 36510507857 73021015714 146042031428 182552539285 365105078570 730210157140