Search a number
-
+
105438773790 = 2335727969673
BaseRepresentation
bin110001000110010100…
…1000000001000011110
3101002011012122200022000
41202030221000020132
53211414311230130
6120234330503130
710421604534600
oct1421451001036
9332135580260
10105438773790
1140797491379
1218527294aa6
139c3453729c
1451634db170
152b21963260
hex188ca4021e

105438773790 has 96 divisors (see below), whose sum is σ = 327075420960. Its totient is φ = 24100288128.

The previous prime is 105438773789. The next prime is 105438773827. The reversal of 105438773790 is 97377834501.

105438773790 is a `hidden beast` number, since 1 + 0 + 543 + 8 + 7 + 7 + 3 + 7 + 90 = 666.

It is a super-2 number, since 2×1054387737902 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3971607 + ... + 3998066.

It is an arithmetic number, because the mean of its divisors is an integer number (3407035635).

Almost surely, 2105438773790 is an apocalyptic number.

105438773790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105438773790 is an abundant number, since it is smaller than the sum of its proper divisors (221636647170).

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

105438773790 is a wasteful number, since it uses less digits than its factorization.

105438773790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7969703 (or 7969690 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 105438773790 in words is "one hundred five billion, four hundred thirty-eight million, seven hundred seventy-three thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 90 98 105 126 135 147 189 210 245 270 294 315 378 441 490 630 735 882 945 1323 1470 1890 2205 2646 4410 6615 13230 7969673 15939346 23909019 39848365 47818038 55787711 71727057 79696730 111575422 119545095 143454114 167363133 215181171 239090190 278938555 334726266 358635285 390513977 430362342 502089399 557877110 717270570 781027954 836815665 1004178798 1075905855 1171541931 1506268197 1673631330 1952569885 2151811710 2343083862 2510446995 3012536394 3514625793 3905139770 5020893990 5857709655 7029251586 7531340985 10543877379 11715419310 15062681970 17573128965 21087754758 35146257930 52719386895 105438773790