Search a number
-
+
13212203122230 = 23572310589258329
BaseRepresentation
bin1100000001000011010010…
…1011000111111000110110
31201210002000011010001102220
43000100310223013320312
53212432042444402410
644033334033543210
72532356465362260
oct300206453077066
951702004101386
1013212203122230
11423429a248282
121594744114b06
1374aba024a578
1433968cabab30
1517da2e101070
hexc0434ac7e36

13212203122230 has 128 divisors (see below), whose sum is σ = 37818520012800. Its totient is φ = 2888346768384.

The previous prime is 13212203122213. The next prime is 13212203122241. The reversal of 13212203122230 is 3222130221231.

It is a super-2 number, since 2×132122031222302 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13212203122230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51015706 + ... + 51274034.

It is an arithmetic number, because the mean of its divisors is an integer number (295457187600).

Almost surely, 213212203122230 is an apocalyptic number.

13212203122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13212203122230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18909260006400).

13212203122230 is an abundant number, since it is smaller than the sum of its proper divisors (24606316890570).

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

13212203122230 is a wasteful number, since it uses less digits than its factorization.

13212203122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268958.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13212203122230 its reverse (3222130221231), we get a palindrome (16434333343461).

The spelling of 13212203122230 in words is "thirteen trillion, two hundred twelve billion, two hundred three million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 23 30 35 42 46 69 70 105 115 138 161 210 230 322 345 483 690 805 966 1610 2415 4830 10589 21178 31767 52945 63534 74123 105890 148246 158835 222369 243547 258329 317670 370615 444738 487094 516658 730641 741230 774987 1111845 1217735 1291645 1461282 1549974 1704829 1808303 2223690 2435470 2583290 3409658 3616606 3653205 3874935 5114487 5424909 5941567 7306410 7749870 8524145 9041515 10228974 10849818 11883134 17048290 17824701 18083030 25572435 27124545 29707835 35649402 41590969 51144870 54249090 59415670 83181938 89123505 124772907 178247010 207954845 249545814 415909690 623864535 1247729070 2735445781 5470891562 8206337343 13677228905 16412674686 19148120467 27354457810 38296240934 41031686715 57444361401 62915252963 82063373430 95740602335 114888722802 125830505926 188745758889 191481204670 287221807005 314576264815 377491517778 440406770741 574443614010 629152529630 880813541482 943728794445 1321220312223 1887457588890 2202033853705 2642440624446 4404067707410 6606101561115 13212203122230