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105204486139 = 238575337349
BaseRepresentation
bin110000111111010101…
…1010000111111111011
3101001112212210122001121
41201332223100333323
53210424322024024
6120155201130111
710413031243324
oct1417653207773
9331485718047
10105204486139
114068720a615
1218480929937
139bc7b3653c
14514035144b
152b0b0d48e4
hex187ead0ffb

105204486139 has 8 divisors (see below), whose sum is σ = 109906711200. Its totient is φ = 100512937536.

The previous prime is 105204486113. The next prime is 105204486143. The reversal of 105204486139 is 931684402501.

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

It is a cyclic number.

It is not a de Polignac number, because 105204486139 - 27 = 105204486011 is a prime.

It is a super-2 number, since 2×1052044861392 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105204486095 and 105204486104.

It is not an unprimeable number, because it can be changed into a prime (105264486139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648964 + ... + 2688385.

It is an arithmetic number, because the mean of its divisors is an integer number (13738338900).

Almost surely, 2105204486139 is an apocalyptic number.

105204486139 is a deficient number, since it is larger than the sum of its proper divisors (4702225061).

105204486139 is an equidigital number, since it uses as much as digits as its factorization.

105204486139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338229.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 105204486139 in words is "one hundred five billion, two hundred four million, four hundred eighty-six thousand, one hundred thirty-nine".

Divisors: 1 23 857 19711 5337349 122759027 4574108093 105204486139