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105402170508 = 22367131097227
BaseRepresentation
bin110001000101001110…
…1010111110010001100
3101002001122210001000220
41202022131113302030
53211330423424013
6120230542151340
710420651444515
oct1421235276214
9332048701026
10105402170508
1140778860828
1218516b82550
139c29a8c83b
14515c6cda0c
152b1d632b23
hex188a757c8c

105402170508 has 24 divisors (see below), whose sum is σ = 249609122112. Its totient is φ = 34609667664.

The previous prime is 105402170491. The next prime is 105402170519. The reversal of 105402170508 is 805071204501.

It is a super-4 number, since 4×1054021705084 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65547810 + ... + 65549417.

It is an arithmetic number, because the mean of its divisors is an integer number (10400380088).

Almost surely, 2105402170508 is an apocalyptic number.

It is an amenable number.

105402170508 is an abundant number, since it is smaller than the sum of its proper divisors (144206951604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105402170508 is a wasteful number, since it uses less digits than its factorization.

105402170508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131097301 (or 131097299 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The spelling of 105402170508 in words is "one hundred five billion, four hundred two million, one hundred seventy thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 131097227 262194454 393291681 524388908 786583362 1573166724 8783514209 17567028418 26350542627 35134056836 52701085254 105402170508