Search a number
-
+
11110231020 = 22357198713313
BaseRepresentation
bin10100101100011100…
…01010101111101100
31001200021212012202210
422112032022233230
5140223204343040
65034242450420
7542215256040
oct122616125754
931607765683
1011110231020
114791488009
1221a0963a10
131080a10bc5
147757a6020
154505b5480
hex29638abec

11110231020 has 96 divisors (see below), whose sum is σ = 35573303808. Its totient is φ = 2538012672.

The previous prime is 11110231009. The next prime is 11110231021. The reversal of 11110231020 is 2013201111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11110230987 and 11110231005.

It is not an unprimeable number, because it can be changed into a prime (11110231021) 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, 827884 + ... + 841196.

It is an arithmetic number, because the mean of its divisors is an integer number (370555248).

Almost surely, 211110231020 is an apocalyptic number.

11110231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110231020 is an abundant number, since it is smaller than the sum of its proper divisors (24463072788).

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

11110231020 is a wasteful number, since it uses less digits than its factorization.

11110231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319 (or 15317 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11110231020 its reverse (2013201111), we get a palindrome (13123432131).

The spelling of 11110231020 in words is "eleven billion, one hundred ten million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1987 3974 5961 7948 9935 11922 13313 13909 19870 23844 26626 27818 29805 39740 39939 41727 53252 55636 59610 66565 69545 79878 83454 93191 119220 133130 139090 159756 166908 186382 199695 208635 266260 278180 279573 372764 399390 417270 465955 559146 798780 834540 931910 1118292 1397865 1863820 2795730 5591460 26452931 52905862 79358793 105811724 132264655 158717586 185170517 264529310 317435172 370341034 396793965 529058620 555511551 740682068 793587930 925852585 1111023102 1587175860 1851705170 2222046204 2777557755 3703410340 5555115510 11110231020