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11108000631 = 3713316121517
BaseRepresentation
bin10100101100001011…
…01010001101110111
31001200010122220020210
422112011222031313
5140222122010011
65034123000503
7542160306330
oct122605521567
931603586223
1011108000631
1147901a4312
1221a0069133
13108040c950
14775385287
154502c46a6
hex29616a377

11108000631 has 64 divisors (see below), whose sum is σ = 19125886976. Its totient is φ = 5576947200.

The previous prime is 11108000611. The next prime is 11108000663. The reversal of 11108000631 is 13600080111.

It is not a de Polignac number, because 11108000631 - 25 = 11108000599 is a prime.

It is a super-2 number, since 2×111080006312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is the 105395-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 11108000598 and 11108000607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11108000611) by changing a digit.

It is a nontrivial repunit in base 105394.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 505485 + ... + 527001.

It is an arithmetic number, because the mean of its divisors is an integer number (298841984).

Almost surely, 211108000631 is an apocalyptic number.

11108000631 is a deficient number, since it is larger than the sum of its proper divisors (8017886345).

11108000631 is a wasteful number, since it uses less digits than its factorization.

11108000631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21632.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11108000631 its reverse (13600080111), we get a palindrome (24708080742).

The spelling of 11108000631 in words is "eleven billion, one hundred eight million, six hundred thirty-one", and thus it is an aban number.

Divisors: 1 3 7 13 21 31 39 61 91 93 183 217 273 403 427 651 793 1209 1281 1891 2379 2821 5551 5673 8463 13237 16653 21517 24583 39711 64551 73749 150619 172081 279721 451857 516243 667027 839163 1312537 1958047 2001081 3937611 4669189 5874141 8671351 9187759 14007567 17062981 26014053 27563277 40688647 51188943 60699457 119440867 122065941 182098371 284820529 358322601 528952411 854461587 1586857233 3702666877 11108000631