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3120013230 = 235179376529
BaseRepresentation
bin1011100111110111…
…1001111110101110
322001102212002112120
42321331321332232
522342210410410
61233332413410
7140213450325
oct27175717656
98042762476
103120013230
111361191134
12730a77266
133a9514499
142185270bc
15133d9d570
hexb9f79fae

3120013230 has 64 divisors (see below), whose sum is σ = 7938181440. Its totient is φ = 782106624.

The previous prime is 3120013223. The next prime is 3120013261. The reversal of 3120013230 is 323100213.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 474606 + ... + 481134.

It is an arithmetic number, because the mean of its divisors is an integer number (124034085).

Almost surely, 23120013230 is an apocalyptic number.

3120013230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120013230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3969090720).

3120013230 is an abundant number, since it is smaller than the sum of its proper divisors (4818168210).

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

3120013230 is a wasteful number, since it uses less digits than its factorization.

3120013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7493.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3120013230 is about 55857.0786024475. The cubic root of 3120013230 is about 1461.2307802002.

Adding to 3120013230 its reverse (323100213), we get a palindrome (3443113443).

The spelling of 3120013230 in words is "three billion, one hundred twenty million, thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 937 1874 2811 4685 5622 6529 9370 13058 14055 15929 19587 28110 31858 32645 39174 47787 65290 79645 95574 97935 110993 159290 195870 221986 238935 332979 477870 554965 665958 1109930 1664895 3329790 6117673 12235346 18353019 30588365 36706038 61176730 91765095 104000441 183530190 208000882 312001323 520002205 624002646 1040004410 1560006615 3120013230