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126140115 = 3515155691
BaseRepresentation
bin1111000010010…
…11111011010011
322210100120201010
413201023323103
5224242440430
620303342003
73061113303
oct741137323
9283316633
10126140115
1165225a32
12362b1903
132019692a
1412a77603
15b119cb0
hex784bed3

126140115 has 16 divisors (see below), whose sum is σ = 203164416. Its totient is φ = 66828000.

The previous prime is 126140093. The next prime is 126140129. The reversal of 126140115 is 511041621.

It is not a de Polignac number, because 126140115 - 27 = 126139987 is a prime.

It is a super-2 number, since 2×1261401152 = 31822657224426450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126140091 and 126140100.

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, 25581 + ... + 30110.

It is an arithmetic number, because the mean of its divisors is an integer number (12697776).

Almost surely, 2126140115 is an apocalyptic number.

126140115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126140115 is a deficient number, since it is larger than the sum of its proper divisors (77024301).

126140115 is a wasteful number, since it uses less digits than its factorization.

126140115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55850.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 126140115 is about 11231.2116443419. The cubic root of 126140115 is about 501.5155548787.

Adding to 126140115 its reverse (511041621), we get a palindrome (637181736).

The spelling of 126140115 in words is "one hundred twenty-six million, one hundred forty thousand, one hundred fifteen".

Divisors: 1 3 5 15 151 453 755 2265 55691 167073 278455 835365 8409341 25228023 42046705 126140115