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105008013003 = 31971319134707
BaseRepresentation
bin110000111001011110…
…1110001111011001011
3101001001012002202120210
41201302331301323023
53210024022404003
6120123502052203
710405124245335
oct1416275617313
9331035082523
10105008013003
1140596316423
1218426b7a063
139b9621564a
14512220a455
152ae8c25503
hex1872f71ecb

105008013003 has 16 divisors (see below), whose sum is σ = 140829131520. Its totient is φ = 69596663136.

The previous prime is 105008012983. The next prime is 105008013083. The reversal of 105008013003 is 300310800501.

It is a happy number.

It is not a de Polignac number, because 105008013003 - 25 = 105008012971 is a prime.

It is a super-2 number, since 2×1050080130032 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105008013083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712176 + ... + 846882.

It is an arithmetic number, because the mean of its divisors is an integer number (8801820720).

Almost surely, 2105008013003 is an apocalyptic number.

105008013003 is a deficient number, since it is larger than the sum of its proper divisors (35821118517).

105008013003 is a wasteful number, since it uses less digits than its factorization.

105008013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136226.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 105008013003 its reverse (300310800501), we get a palindrome (405318813504).

The spelling of 105008013003 in words is "one hundred five billion, eight million, thirteen thousand, three".

Divisors: 1 3 197 591 1319 3957 134707 259843 404121 779529 26537279 79611837 177678533 533035599 35002671001 105008013003