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11312044142 = 2743131191751
BaseRepresentation
bin10101000100100000…
…00001100001101110
31002012100121101022212
422202100001201232
5141131340403032
65110252210422
7550215534350
oct124220014156
932170541285
1011312044142
114885399213
122238469a12
1310b3781559
147944db0d0
1546317bbb2
hex2a240186e

11312044142 has 64 divisors (see below), whose sum is σ = 20125974528. Its totient is φ = 4668300000.

The previous prime is 11312044127. The next prime is 11312044147. The reversal of 11312044142 is 24144021311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312044147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15062267 + ... + 15063017.

It is an arithmetic number, because the mean of its divisors is an integer number (314468352).

Almost surely, 211312044142 is an apocalyptic number.

11312044142 is a deficient number, since it is larger than the sum of its proper divisors (8813930386).

11312044142 is a wasteful number, since it uses less digits than its factorization.

11312044142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11312044142 its reverse (24144021311), we get a palindrome (35456065453).

The spelling of 11312044142 in words is "eleven billion, three hundred twelve million, forty-four thousand, one hundred forty-two".

Divisors: 1 2 7 14 43 86 131 191 262 301 382 602 751 917 1337 1502 1834 2674 5257 5633 8213 10514 11266 16426 25021 32293 39431 50042 57491 64586 78862 98381 114982 143441 175147 196762 226051 286882 350294 452102 688667 1004087 1075903 1377334 2008174 2151806 4230383 6167963 7531321 8460766 12335926 15062642 18790771 29612681 37581542 43175741 59225362 86351482 131535397 263070794 808003153 1616006306 5656022071 11312044142