Search a number
-
+
22221031032300 = 22352571129719971
BaseRepresentation
bin1010000110101101111001…
…01010010100010111101100
32220200022100212012011210110
411003112330222110113230
510403032132421013200
6115132111205140020
74452262602216642
oct503267452242754
986608325164713
1022221031032300
117097982797951
1225aa7023ba610
13c52585025b89
1456b709dbd192
15288047814b50
hex1435bca945ec

22221031032300 has 72 divisors (see below), whose sum is σ = 64405447218112. Its totient is φ = 5915230632000.

The previous prime is 22221031032217. The next prime is 22221031032301. The reversal of 22221031032300 is 323013012222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22221031032301) 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 23 ways as a sum of consecutive naturals, for example, 64688686 + ... + 65031285.

Almost surely, 222221031032300 is an apocalyptic number.

22221031032300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221031032300 is an abundant number, since it is smaller than the sum of its proper divisors (42184416185812).

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

22221031032300 is a wasteful number, since it uses less digits than its factorization.

22221031032300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129720559 (or 129720552 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22221031032300 its reverse (323013012222), we get a palindrome (22544044044522).

The spelling of 22221031032300 in words is "twenty-two trillion, two hundred twenty-one billion, thirty-one million, thirty-two thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 571 1142 1713 2284 2855 3426 5710 6852 8565 11420 14275 17130 28550 34260 42825 57100 85650 171300 129719971 259439942 389159913 518879884 648599855 778319826 1297199710 1556639652 1945799565 2594399420 3242999275 3891599130 6485998550 7783198260 9728997825 12971997100 19457995650 38915991300 74070103441 148140206882 222210310323 296280413764 370350517205 444420620646 740701034410 888841241292 1111051551615 1481402068820 1851752586025 2222103103230 3703505172050 4444206206460 5555257758075 7407010344100 11110515516150 22221031032300