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305423313325 = 52135317731397
BaseRepresentation
bin1000111000111001010…
…01011110100110101101
31002012100110211220000121
410130130221132212231
520001001332011300
6352150505324541
731031450220424
oct4343451364655
91065313756017
10305423313325
11108590552929
124b239796751
1322a555a2350
1410ad55162bb
157e2888181a
hex471ca5e9ad

305423313325 has 24 divisors (see below), whose sum is σ = 415553043528. Its totient is φ = 221287822080.

The previous prime is 305423313287. The next prime is 305423313331. The reversal of 305423313325 is 523313324503.

It can be written as a sum of positive squares in 12 ways, for example, as 147593504041 + 157829809284 = 384179^2 + 397278^2 .

It is not a de Polignac number, because 305423313325 - 213 = 305423305133 is a prime.

It is a super-2 number, since 2×3054233133252 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8848474 + ... + 8882923.

It is an arithmetic number, because the mean of its divisors is an integer number (17314710147).

Almost surely, 2305423313325 is an apocalyptic number.

It is an amenable number.

305423313325 is a deficient number, since it is larger than the sum of its proper divisors (110129730203).

305423313325 is a wasteful number, since it uses less digits than its factorization.

305423313325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17731473 (or 17731468 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 34.

Adding to 305423313325 its reverse (523313324503), we get a palindrome (828736637828).

The spelling of 305423313325 in words is "three hundred five billion, four hundred twenty-three million, three hundred thirteen thousand, three hundred twenty-five".

Divisors: 1 5 13 25 53 65 265 325 689 1325 3445 17225 17731397 88656985 230508161 443284925 939764041 1152540805 4698820205 5762704025 12216932533 23494101025 61084662665 305423313325