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10540514988 = 22331992831733
BaseRepresentation
bin10011101000100001…
…10111111010101100
31000012120211122022000
421310100313322230
5133041332434423
64501531452300
7522126620253
oct116420677254
930176748260
1010540514988
114519933a13
122061bb7090
13cbc989623
1471dc6379a
1541a57a843
hex274437eac

10540514988 has 96 divisors (see below), whose sum is σ = 27577536000. Its totient is φ = 3481486272.

The previous prime is 10540514969. The next prime is 10540515043. The reversal of 10540514988 is 88941504501.

It is a happy number.

10540514988 is a `hidden beast` number, since 1 + 0 + 5 + 40 + 514 + 98 + 8 = 666.

It is a super-2 number, since 2×105405149882 (a number of 21 digits) contains 22 as substring.

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, 6081370 + ... + 6083102.

It is an arithmetic number, because the mean of its divisors is an integer number (287266000).

Almost surely, 210540514988 is an apocalyptic number.

10540514988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10540514988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13788768000).

10540514988 is an abundant number, since it is smaller than the sum of its proper divisors (17037021012).

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

10540514988 is a wasteful number, since it uses less digits than its factorization.

10540514988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 10540514988 in words is "ten billion, five hundred forty million, five hundred fourteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 199 283 398 566 597 796 849 1132 1194 1698 1733 1791 2388 2547 3396 3466 3582 5094 5199 5373 6932 7164 7641 10188 10398 10746 15282 15597 20796 21492 30564 31194 46791 56317 62388 93582 112634 168951 187164 225268 337902 344867 490439 506853 675804 689734 980878 1013706 1034601 1379468 1471317 1520559 1961756 2027412 2069202 2942634 3041118 3103803 4138404 4413951 5885268 6082236 6207606 8827902 9311409 12415212 13241853 17655804 18622818 26483706 37245636 52967412 97597361 195194722 292792083 390389444 585584166 878376249 1171168332 1756752498 2635128747 3513504996 5270257494 10540514988