Search a number
-
+
100313142012 = 2235331311791
BaseRepresentation
bin101110101101100100…
…0010001001011111100
3100120220222212121100000
41131123020101023330
53120420131021022
6114025550434300
710150565431656
oct1353310211374
9316828777300
10100313142012
11395a7176356
1217536802990
1395c865c285
144bd88956d6
1529219926ac
hex175b2112fc

100313142012 has 72 divisors (see below), whose sum is σ = 263756077312. Its totient is φ = 33336586800.

The previous prime is 100313141993. The next prime is 100313142019. The reversal of 100313142012 is 210241313001.

100313142012 is a `hidden beast` number, since 100 + 3 + 131 + 420 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100313142019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165837 + ... + 477627.

Almost surely, 2100313142012 is an apocalyptic number.

100313142012 is a gapful number since it is divisible by the number (12) 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 100313142012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131878038656).

100313142012 is an abundant number, since it is smaller than the sum of its proper divisors (163442935300).

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

100313142012 is a wasteful number, since it uses less digits than its factorization.

100313142012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312141 (or 312127 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 100313142012 its reverse (210241313001), we get a palindrome (310554455013).

The spelling of 100313142012 in words is "one hundred billion, three hundred thirteen million, one hundred forty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 331 486 662 972 993 1324 1986 2979 3972 5958 8937 11916 17874 26811 35748 53622 80433 107244 160866 311791 321732 623582 935373 1247164 1870746 2806119 3741492 5612238 8418357 11224476 16836714 25255071 33673428 50510142 75765213 101020284 103202821 151530426 206405642 303060852 309608463 412811284 619216926 928825389 1238433852 1857650778 2786476167 3715301556 5572952334 8359428501 11145904668 16718857002 25078285503 33437714004 50156571006 100313142012