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10111012142 = 2711315389449
BaseRepresentation
bin10010110101010100…
…11100110100101110
3222002122122122011012
421122222130310232
5131201404342032
64351150025222
7505363120340
oct113252346456
928078578135
1010111012142
114319448090
121b621a8212
13c519b842a
146bcbbd290
153e29da6b2
hex25aa9cd2e

10111012142 has 128 divisors (see below), whose sum is σ = 20155392000. Its totient is φ = 3690086400.

The previous prime is 10111012141. The next prime is 10111012159. The reversal of 10111012142 is 24121011101.

10111012142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111012141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22518734 + ... + 22519182.

It is an arithmetic number, because the mean of its divisors is an integer number (157464000).

Almost surely, 210111012142 is an apocalyptic number.

10111012142 is a deficient number, since it is larger than the sum of its proper divisors (10044379858).

10111012142 is a wasteful number, since it uses less digits than its factorization.

10111012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10111012142 its reverse (24121011101), we get a palindrome (34232023243).

The spelling of 10111012142 in words is "ten billion, one hundred eleven million, twelve thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 22 31 53 62 77 89 106 154 178 217 341 371 434 449 583 623 682 742 898 979 1166 1246 1643 1958 2387 2759 3143 3286 4081 4717 4774 4939 5518 6286 6853 8162 9434 9878 11501 13706 13919 18073 19313 23002 23797 27838 30349 33019 34573 36146 38626 39961 47594 51887 60698 66038 69146 79922 97433 103774 126511 146227 153109 166579 194866 212443 253022 261767 279727 292454 306218 333158 363209 424886 439571 523534 559454 726418 737707 879142 1023589 1071763 1238791 1475414 1608497 1832369 2047178 2117933 2143526 2477582 3076997 3216994 3664738 4235866 5163949 6153994 8114777 8671537 10327898 11259479 13626701 14825531 16229554 17343074 22518958 23297263 27253402 29651062 46594526 56803439 65655923 95386907 113606878 131311846 163080841 190773814 326161682 459591461 722215153 919182922 1444430306 5055506071 10111012142