Search a number
-
+
21330102310340 = 2253073473958031
BaseRepresentation
bin1001101100110010011010…
…01010111101010111000100
32210112010201111121202122212
410312121031022331113010
510243433022142412330
6113210525210442552
74331022551066105
oct466311512752704
983463644552585
1021330102310340
11688405575255a
122485b00133458
13bb955ca15515
1453a54d6843ac
1526eca1894295
hex13664d2bd5c4

21330102310340 has 24 divisors (see below), whose sum is σ = 44939121101952. Its totient is φ = 8504249257440.

The previous prime is 21330102310301. The next prime is 21330102310343. The reversal of 21330102310340 is 4301320103312.

It is not an unprimeable number, because it can be changed into a prime (21330102310343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736972876 + ... + 1736985155.

It is an arithmetic number, because the mean of its divisors is an integer number (1872463379248).

Almost surely, 221330102310340 is an apocalyptic number.

21330102310340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21330102310340 is an abundant number, since it is smaller than the sum of its proper divisors (23609018791612).

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

21330102310340 is a wasteful number, since it uses less digits than its factorization.

21330102310340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473958347 (or 3473958345 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21330102310340 its reverse (4301320103312), we get a palindrome (25631422413652).

The spelling of 21330102310340 in words is "twenty-one trillion, three hundred thirty billion, one hundred two million, three hundred ten thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 307 614 1228 1535 3070 6140 3473958031 6947916062 13895832124 17369790155 34739580310 69479160620 1066505115517 2133010231034 4266020462068 5332525577585 10665051155170 21330102310340