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100110010985 = 5414578291289
BaseRepresentation
bin101110100111100000…
…1011000101001101001
3100120101211122110221122
41131033001120221221
53120011130322420
6113553452545025
710142551024145
oct1351701305151
9316354573848
10100110010985
1139502544a76
121749a782175
139595549aba
144bb98da225
15290dc1a725
hex174f058a69

100110010985 has 32 divisors (see below), whose sum is σ = 123575911200. Its totient is φ = 77809213440.

The previous prime is 100110010969. The next prime is 100110010997. The reversal of 100110010985 is 589010011001.

It can be written as a sum of positive squares in 16 ways, for example, as 10835144464 + 89274866521 = 104092^2 + 298789^2 .

It is not a de Polignac number, because 100110010985 - 24 = 100110010969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77664221 + ... + 77665509.

It is an arithmetic number, because the mean of its divisors is an integer number (3861747225).

Almost surely, 2100110010985 is an apocalyptic number.

It is an amenable number.

100110010985 is a deficient number, since it is larger than the sum of its proper divisors (23465900215).

100110010985 is a wasteful number, since it uses less digits than its factorization.

100110010985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621.

The product of its (nonzero) digits is 360, while the sum is 26.

Adding to 100110010985 its reverse (589010011001), we get a palindrome (689120021986).

The spelling of 100110010985 in words is "one hundred billion, one hundred ten million, ten thousand, nine hundred eighty-five".

Divisors: 1 5 41 205 457 829 1289 2285 4145 6445 18737 33989 52849 93685 169945 264245 378853 589073 1068581 1894265 2945365 5342905 15532973 24151993 43811821 77664865 120759965 219059105 488341517 2441707585 20022002197 100110010985