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99739632105 = 3252299678761
BaseRepresentation
bin101110011100011110…
…0100000000111101001
3100112110000201021122100
41130320330200013221
53113231321211410
6113453022244013
710130432612301
oct1347074400751
9315400637570
1099739632105
1139332470923
12173b6726609
1395368a9bb9
144b82646601
1528db4588c0
hex1738f201e9

99739632105 has 24 divisors (see below), whose sum is σ = 173636990280. Its totient is φ = 52962174720.

The previous prime is 99739632067. The next prime is 99739632107. The reversal of 99739632105 is 50123693799.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9133816041 + 90605816064 = 95571^2 + 301008^2 .

It is not a de Polignac number, because 99739632105 - 27 = 99739631977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99739632107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4829076 + ... + 4849685.

It is an arithmetic number, because the mean of its divisors is an integer number (7234874595).

Almost surely, 299739632105 is an apocalyptic number.

It is an amenable number.

99739632105 is a deficient number, since it is larger than the sum of its proper divisors (73897358175).

99739632105 is a wasteful number, since it uses less digits than its factorization.

99739632105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9679001 (or 9678998 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 99739632105 in words is "ninety-nine billion, seven hundred thirty-nine million, six hundred thirty-two thousand, one hundred five".

Divisors: 1 3 5 9 15 45 229 687 1145 2061 3435 10305 9678761 29036283 48393805 87108849 145181415 435544245 2216436269 6649308807 11082181345 19947926421 33246544035 99739632105