Search a number
-
+
1313213121102 = 23191131313312351
BaseRepresentation
bin10011000111000001100…
…110100000001001001110
311122112122002011112212210
4103013001212200021032
5133003430024333402
62443140510411250
7163606434232341
oct23070146401116
94575562145783
101313213121102
11466a26631693
12192614500b26
1396ab26987ac
14477ba350458
152425de2406c
hex131c19a024e

1313213121102 has 128 divisors (see below), whose sum is σ = 2820105953280. Its totient is φ = 406486080000.

The previous prime is 1313213121049. The next prime is 1313213121113. The reversal of 1313213121102 is 2011213123131.

It is a super-2 number, since 2×13132131211022 (a number of 25 digits) contains 22 as substring.

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, 558575227 + ... + 558577577.

It is an arithmetic number, because the mean of its divisors is an integer number (22032077760).

Almost surely, 21313213121102 is an apocalyptic number.

1313213121102 is an abundant number, since it is smaller than the sum of its proper divisors (1506892832178).

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

1313213121102 is a wasteful number, since it uses less digits than its factorization.

1313213121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1313213121102 its reverse (2011213123131), we get a palindrome (3324426244233).

The spelling of 1313213121102 in words is "one trillion, three hundred thirteen billion, two hundred thirteen million, one hundred twenty-one thousand, one hundred two".

Divisors: 1 2 3 6 19 38 57 113 114 131 226 262 331 339 393 662 678 786 993 1986 2147 2351 2489 4294 4702 4978 6289 6441 7053 7467 12578 12882 14106 14803 14934 18867 29606 37403 37734 43361 44409 44669 74806 86722 88818 89338 112209 130083 134007 224418 260166 265663 268014 281257 307981 531326 562514 615962 710657 778181 796989 823859 843771 923943 1421314 1556362 1593978 1647718 1687542 1847886 2131971 2334543 2471577 4263942 4669086 4899793 4943154 5047597 5851639 9799586 10095194 11703278 14699379 14785439 15142791 17554917 29398758 29570878 30285582 34801853 35109834 44356317 69603706 87934453 88712634 93096067 101941711 104405559 175868906 186192134 203883422 208811118 263803359 279288201 305825133 527606718 558576402 611650266 661235207 1322470414 1670754607 1936892509 1983705621 3341509214 3873785018 3967411242 5012263821 5810677527 10024527642 11519413343 11621355054 23038826686 34558240029 69116480058 218868853517 437737707034 656606560551 1313213121102