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130123222300 = 22523144479439
BaseRepresentation
bin111100100101111110…
…0101100110100011100
3110102212111210120211201
41321023330230310130
54112443021103200
6135440000125244
712254401066021
oct1711374546434
9412774716751
10130123222300
1150204191945
1221276006824
13c369589336
1464259c3548
1535b8aa3c6a
hex1e4bf2cd1c

130123222300 has 72 divisors (see below), whose sum is σ = 291572449280. Its totient is φ = 50353617600.

The previous prime is 130123222231. The next prime is 130123222301. The reversal of 130123222300 is 3222321031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130123222301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13780981 + ... + 13790419.

Almost surely, 2130123222300 is an apocalyptic number.

130123222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130123222300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145786224640).

130123222300 is an abundant number, since it is smaller than the sum of its proper divisors (161449226980).

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

130123222300 is a wasteful number, since it uses less digits than its factorization.

130123222300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13931 (or 13924 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 130123222300 its reverse (3222321031), we get a palindrome (133345543331).

The spelling of 130123222300 in words is "one hundred thirty billion, one hundred twenty-three million, two hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 1550 3100 4447 8894 9439 17788 18878 22235 37756 44470 47195 88940 94390 111175 137857 188780 222350 235975 275714 292609 444700 471950 551428 585218 689285 943900 1170436 1378570 1463045 2757140 2926090 3446425 5852180 6892850 7315225 13785700 14630450 29260900 41975233 83950466 167900932 209876165 419752330 839504660 1049380825 1301232223 2098761650 2602464446 4197523300 5204928892 6506161115 13012322230 26024644460 32530805575 65061611150 130123222300