Search a number
-
+
21322003103020 = 22553130715390281
BaseRepresentation
bin1001101100100011010100…
…11010111011110100101100
32210111100211001112101220101
410312101222122323310230
510243314430243244040
6113203105404400444
74330315054004554
oct466215232736454
983440731471811
1021322003103020
116880679985194
12248441b846124
13bb886ba78659
14539dc1b54164
1526e97a7ee09a
hex13646a6bbd2c

21322003103020 has 48 divisors (see below), whose sum is σ = 45655948725408. Its totient is φ = 8361477562880.

The previous prime is 21322003102991. The next prime is 21322003103039. The reversal of 21322003103020 is 2030130022312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309721 + ... + 9080560.

It is an arithmetic number, because the mean of its divisors is an integer number (951165598446).

Almost surely, 221322003103020 is an apocalyptic number.

21322003103020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21322003103020 is an abundant number, since it is smaller than the sum of its proper divisors (24333945622388).

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

21322003103020 is a wasteful number, since it uses less digits than its factorization.

21322003103020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391650 (or 15391648 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21322003103020 its reverse (2030130022312), we get a palindrome (23352133125332).

The spelling of 21322003103020 in words is "twenty-one trillion, three hundred twenty-two billion, three million, one hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 1307 2614 5228 6535 13070 26140 69271 138542 277084 346355 692710 1385420 15390281 30780562 61561124 76951405 153902810 307805620 815684893 1631369786 3262739572 4078424465 8156848930 16313697860 20115097267 40230194534 80460389068 100575486335 201150972670 402301945340 1066100155151 2132200310302 4264400620604 5330500775755 10661001551510 21322003103020