Search a number
-
+
11131001310 = 23511137335543
BaseRepresentation
bin10100101110111010…
…11001100111011110
31001201201221110020210
422113131121213132
5140244014020220
65040303553250
7542556643602
oct122735314736
931651843223
1011131001310
1147a2184040
1221a78bb826
131085103b10
14778451502
154523196e0
hex2977599de

11131001310 has 128 divisors (see below), whose sum is σ = 31815576576. Its totient is φ = 2456663040.

The previous prime is 11131001309. The next prime is 11131001351. The reversal of 11131001310 is 1310013111.

It is a super-2 number, since 2×111310013102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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, 295399 + ... + 330941.

It is an arithmetic number, because the mean of its divisors is an integer number (248559192).

Almost surely, 211131001310 is an apocalyptic number.

11131001310 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 11131001310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15907788288).

11131001310 is an abundant number, since it is smaller than the sum of its proper divisors (20684575266).

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

11131001310 is a wasteful number, since it uses less digits than its factorization.

11131001310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35650.

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 11131001310 its reverse (1310013111), we get a palindrome (12441014421).

It can be divided in two parts, 1 and 1131001310, that added together give a palindrome (1131001311).

The spelling of 11131001310 in words is "eleven billion, one hundred thirty-one million, one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 11 13 15 22 26 30 33 39 55 65 66 73 78 110 130 143 146 165 195 219 286 330 365 390 429 438 715 730 803 858 949 1095 1430 1606 1898 2145 2190 2409 2847 4015 4290 4745 4818 5694 8030 9490 10439 12045 14235 20878 24090 28470 31317 35543 52195 62634 71086 104390 106629 156585 177715 213258 313170 355430 390973 462059 533145 781946 924118 1066290 1172919 1386177 1954865 2310295 2345838 2594639 2772354 3909730 4620590 5082649 5189278 5864595 6930885 7783917 10165298 11729190 12973195 13861770 15247947 15567834 25413245 25946390 28541029 30495894 33730307 38919585 50826490 57082058 67460614 76239735 77839170 85623087 101190921 142705145 152479470 168651535 171246174 202381842 285410290 337303070 371033377 428115435 505954605 742066754 856230870 1011909210 1113100131 1855166885 2226200262 3710333770 5565500655 11131001310