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12120050170 = 2510369117029
BaseRepresentation
bin10110100100110100…
…10100100111111010
31011021200000100020001
423102122110213322
5144310213101140
65322354423214
7606226504144
oct132232244772
934250010201
1012120050170
11515a4a8098
122422b91b0a
1311b1ca8527
1482d94bc94
154ae085e9a
hex2d26949fa

12120050170 has 32 divisors (see below), whose sum is σ = 22061070720. Its totient is φ = 4793722560.

The previous prime is 12120050119. The next prime is 12120050287. The reversal of 12120050170 is 7105002121.

It is a super-2 number, since 2×121200501702 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703216 + ... + 720244.

It is an arithmetic number, because the mean of its divisors is an integer number (689408460).

Almost surely, 212120050170 is an apocalyptic number.

12120050170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120050170 is a deficient number, since it is larger than the sum of its proper divisors (9941020550).

12120050170 is a wasteful number, since it uses less digits than its factorization.

12120050170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830.

The product of its (nonzero) digits is 140, while the sum is 19.

Adding to 12120050170 its reverse (7105002121), we get a palindrome (19225052291).

The spelling of 12120050170 in words is "twelve billion, one hundred twenty million, fifty thousand, one hundred seventy".

Divisors: 1 2 5 10 103 206 515 691 1030 1382 3455 6910 17029 34058 71173 85145 142346 170290 355865 711730 1753987 3507974 8769935 11767039 17539870 23534078 58835195 117670390 1212005017 2424010034 6060025085 12120050170