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115121030 = 2541614603
BaseRepresentation
bin1101101110010…
…01101110000110
322000121202100212
412313021232012
5213432333110
615231235422
72565340553
oct667115606
9260552325
10115121030
1159a8a152
1232678b72
131ab0926b
1411409a2a
15a18ee05
hex6dc9b86

115121030 has 32 divisors (see below), whose sum is σ = 215798688. Its totient is φ = 44179200.

The previous prime is 115121029. The next prime is 115121047. The reversal of 115121030 is 30121511.

It is a junction number, because it is equal to n+sod(n) for n = 115120996 and 115121014.

It is a congruent number.

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, 22709 + ... + 27311.

It is an arithmetic number, because the mean of its divisors is an integer number (6743709).

Almost surely, 2115121030 is an apocalyptic number.

115121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115121030 is a deficient number, since it is larger than the sum of its proper divisors (100677658).

115121030 is a wasteful number, since it uses less digits than its factorization.

115121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 115121030 is about 10729.4468636552. The cubic root of 115121030 is about 486.4649510151.

Adding to 115121030 its reverse (30121511), we get a palindrome (145242541).

The spelling of 115121030 in words is "one hundred fifteen million, one hundred twenty-one thousand, thirty".

Divisors: 1 2 5 10 41 61 82 122 205 305 410 610 2501 4603 5002 9206 12505 23015 25010 46030 188723 280783 377446 561566 943615 1403915 1887230 2807830 11512103 23024206 57560515 115121030