Search a number
-
+
212103101310 = 23523674587997
BaseRepresentation
bin1100010110001001010…
…1000111101101111110
3202021110211101221020220
43011202111013231332
511433341343220220
6241234441322210
721216053420442
oct3054225075576
9667424357226
10212103101310
1181a52742371
1235134a96366
1317002941c99
14a3a169a822
1557b5cad540
hex3162547b7e

212103101310 has 64 divisors (see below), whose sum is σ = 539108116992. Its totient is φ = 53294161536.

The previous prime is 212103101291. The next prime is 212103101339. The reversal of 212103101310 is 13101301212.

It is a happy number.

It is a super-2 number, since 2×2121031013102 (a number of 23 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212103101310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2247769 + ... + 2340228.

It is an arithmetic number, because the mean of its divisors is an integer number (8423564328).

Almost surely, 2212103101310 is an apocalyptic number.

212103101310 is an abundant number, since it is smaller than the sum of its proper divisors (327005015682).

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

212103101310 is a wasteful number, since it uses less digits than its factorization.

212103101310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588097.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 212103101310 its reverse (13101301212), we get a palindrome (225204402522).

The spelling of 212103101310 in words is "two hundred twelve billion, one hundred three million, one hundred one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 67 69 115 134 138 201 230 335 345 402 670 690 1005 1541 2010 3082 4623 7705 9246 15410 23115 46230 4587997 9175994 13763991 22939985 27527982 45879970 68819955 105523931 137639910 211047862 307395799 316571793 527619655 614791598 633143586 922187397 1055239310 1536978995 1582858965 1844374794 3073957990 3165717930 4610936985 7070103377 9221873970 14140206754 21210310131 35350516885 42420620262 70701033770 106051550655 212103101310