Search a number
-
+
21023222010311 = 731802811597447
BaseRepresentation
bin1001100011110110110011…
…01011100001000111000111
32202102210121111012021121202
410301323121223201013013
510223421024313312221
6112413533532533115
74266610016425613
oct461733153410707
982383544167552
1021023222010311
116775997828a94
12243653662119b
13b96634631181
1452975a864343
15266ce0162d0b
hex131ed9ae11c7

21023222010311 has 8 divisors (see below), whose sum is σ = 21311342904864. Its totient is φ = 20735104671360.

The previous prime is 21023222010293. The next prime is 21023222010337. The reversal of 21023222010311 is 11301022232012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21023222010311 - 210 = 21023222009287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023222010341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12361790 + ... + 13959236.

It is an arithmetic number, because the mean of its divisors is an integer number (2663917863108).

Almost surely, 221023222010311 is an apocalyptic number.

21023222010311 is a deficient number, since it is larger than the sum of its proper divisors (288120894553).

21023222010311 is a wasteful number, since it uses less digits than its factorization.

21023222010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777801.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21023222010311 its reverse (11301022232012), we get a palindrome (32324244242323).

The spelling of 21023222010311 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-two million, ten thousand, three hundred eleven".

Divisors: 1 73 180281 1597447 13160513 116613631 287989342607 21023222010311