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105139010 = 2510513901
BaseRepresentation
bin1100100010001…
…00101101000010
321022211121121102
412101010231002
5203403422020
614233254402
72414444504
oct621045502
9238747542
10105139010
1154391549
122b264402
1318a22942
14dd6bd74
15936c475
hex6444b42

105139010 has 8 divisors (see below), whose sum is σ = 189250236. Its totient is φ = 42055600.

The previous prime is 105138977. The next prime is 105139031. The reversal of 105139010 is 10931501.

It can be written as a sum of positive squares in 2 ways, for example, as 104919049 + 219961 = 10243^2 + 469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051390102 = 22108422847560200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256941 + ... + 5256960.

Almost surely, 2105139010 is an apocalyptic number.

105139010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105139010 is a deficient number, since it is larger than the sum of its proper divisors (84111226).

105139010 is a wasteful number, since it uses less digits than its factorization.

105139010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513908.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 105139010 is about 10253.7315158922. The cubic root of 105139010 is about 471.9774988076.

The spelling of 105139010 in words is "one hundred five million, one hundred thirty-nine thousand, ten".

Divisors: 1 2 5 10 10513901 21027802 52569505 105139010