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12143718270 = 2325134930203
BaseRepresentation
bin10110100111101001…
…00110111101111110
31011100022112210202100
423103310212331332
5144332242441040
65325002005530
7606634621305
oct132364467576
934308483670
1012143718270
1151718a3302
12242aaa68a6
1311b6b74418
14832b4d43c
154b11adb30
hex2d3d26f7e

12143718270 has 24 divisors (see below), whose sum is σ = 31573667736. Its totient is φ = 3238324848.

The previous prime is 12143718263. The next prime is 12143718299. The reversal of 12143718270 is 7281734121.

12143718270 is a `hidden beast` number, since 1 + 2 + 14 + 371 + 8 + 270 = 666.

It is a super-2 number, since 2×121437182702 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67465012 + ... + 67465191.

It is an arithmetic number, because the mean of its divisors is an integer number (1315569489).

Almost surely, 212143718270 is an apocalyptic number.

12143718270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143718270 is an abundant number, since it is smaller than the sum of its proper divisors (19429949466).

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

12143718270 is a wasteful number, since it uses less digits than its factorization.

12143718270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134930216 (or 134930213 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 12143718270 in words is "twelve billion, one hundred forty-three million, seven hundred eighteen thousand, two hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 134930203 269860406 404790609 674651015 809581218 1214371827 1349302030 2023953045 2428743654 4047906090 6071859135 12143718270