Search a number
-
+
13311020312 = 2331417379227
BaseRepresentation
bin11000110010110011…
…00000110100011000
31021100200000220010022
430121121200310120
5204230110122222
610040501210012
7650600543252
oct143131406430
937320026108
1013311020312
1157107a6637
1226b5a00908
13134195a8a5
14903baacd2
1552d8db042
hex319660d18

13311020312 has 128 divisors (see below), whose sum is σ = 27211161600. Its totient is φ = 6092236800.

The previous prime is 13311020293. The next prime is 13311020339. The reversal of 13311020312 is 21302011331.

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, 58638743 + ... + 58638969.

It is an arithmetic number, because the mean of its divisors is an integer number (212587200).

Almost surely, 213311020312 is an apocalyptic number.

It is an amenable number.

13311020312 is an abundant number, since it is smaller than the sum of its proper divisors (13900141288).

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

13311020312 is a wasteful number, since it uses less digits than its factorization.

13311020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13311020312 its reverse (21302011331), we get a palindrome (34613031643).

The spelling of 13311020312 in words is "thirteen billion, three hundred eleven million, twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 31 41 62 73 79 82 124 146 158 164 227 248 292 316 328 454 584 632 908 1271 1816 2263 2449 2542 2993 3239 4526 4898 5084 5767 5986 6478 7037 9052 9307 9796 10168 11534 11972 12956 14074 16571 17933 18104 18614 19592 23068 23944 25912 28148 33142 35866 37228 46136 56296 66284 71732 74456 92783 100409 132568 143464 178777 185566 200818 236447 288517 357554 371132 401636 472894 513701 555923 577034 679411 715108 735253 742264 803272 945788 1027402 1111846 1154068 1309109 1358822 1430216 1470506 1891576 2054804 2223692 2308136 2618218 2717644 2941012 4109608 4447384 5236436 5435288 5882024 7329857 10472872 14659714 21061741 22792843 29319428 40582379 42123482 45585686 53673469 58638856 81164758 84246964 91171372 107346938 162329516 168493928 182342744 214693876 324659032 429387752 1663877539 3327755078 6655510156 13311020312