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23130032030 = 2572131360337
BaseRepresentation
bin10101100010101010…
…000100011110011110
32012200222020100222222
4111202222010132132
5334332242011110
614343100505342
71446120012500
oct254252043636
965628210888
1023130032030
11989a333456
12459624b252
132247cb93b1
141195c99d70
15905947c55
hex562a8479e

23130032030 has 48 divisors (see below), whose sum is σ = 48801296016. Its totient is φ = 7869738240.

The previous prime is 23130032021. The next prime is 23130032069. The reversal of 23130032030 is 3023003132.

It is a super-3 number, since 3×231300320303 (a number of 32 digits) contains 333 as substring.

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 23 ways as a sum of consecutive naturals, for example, 115979 + ... + 244358.

It is an arithmetic number, because the mean of its divisors is an integer number (1016693667).

Almost surely, 223130032030 is an apocalyptic number.

23130032030 is an abundant number, since it is smaller than the sum of its proper divisors (25671263986).

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

23130032030 is a wasteful number, since it uses less digits than its factorization.

23130032030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360489 (or 360482 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 23130032030 its reverse (3023003132), we get a palindrome (26153035162).

The spelling of 23130032030 in words is "twenty-three billion, one hundred thirty million, thirty-two thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 131 245 262 490 655 917 1310 1834 4585 6419 9170 12838 32095 64190 360337 720674 1801685 2522359 3603370 5044718 12611795 17656513 25223590 35313026 47204147 88282565 94408294 176565130 236020735 330429029 472041470 660858058 1652145145 2313003203 3304290290 4626006406 11565016015 23130032030