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99118438322 = 22226192
BaseRepresentation
bin101110001001111101…
…0110101011110110010
3100110211201211100222012
41130103322311132302
53110443310011242
6113311232042522
710106150552561
oct1342372653662
9313751740865
1099118438322
1139043857832
1217262693442
139467ca0707
144b23d43bd8
1528a1b51282
hex1713eb57b2

99118438322 has 6 divisors (see below), whose sum is σ = 148678325343. Its totient is φ = 49558996542.

The previous prime is 99118438313. The next prime is 99118438327. The reversal of 99118438322 is 22383481199.

It can be written as a sum of positive squares in only one way, i.e., 49559219161 + 49559219161 = 222619^2 + 222619^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=222619.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99118438327) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 333929 + ... + 556547.

Almost surely, 299118438322 is an apocalyptic number.

99118438322 is a deficient number, since it is larger than the sum of its proper divisors (49559887021).

99118438322 is an frugal number, since it uses more digits than its factorization.

99118438322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445240 (or 222621 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

Multiplying 99118438322 by its sum of digits (50), we get a square (4955921916100 = 22261902).

The spelling of 99118438322 in words is "ninety-nine billion, one hundred eighteen million, four hundred thirty-eight thousand, three hundred twenty-two".

Divisors: 1 2 222619 445238 49559219161 99118438322