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121144030 = 25712713627
BaseRepresentation
bin1110011100010…
…00001011011110
322102221202100221
413032020023132
5222003102110
620004311554
73000464410
oct716101336
9272852327
10121144030
1162423337
12346a25ba
131c137877
14121369b0
15a97e7da
hex73882de

121144030 has 32 divisors (see below), whose sum is σ = 251191296. Its totient is φ = 41205024.

The previous prime is 121144027. The next prime is 121144039. The reversal of 121144030 is 30441121.

It is a super-3 number, since 3×1211440303 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121143995 and 121144013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121144039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2077 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (7849728).

Almost surely, 2121144030 is an apocalyptic number.

121144030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121144030 is an abundant number, since it is smaller than the sum of its proper divisors (130047266).

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

121144030 is a wasteful number, since it uses less digits than its factorization.

121144030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121144030 is about 11006.5448711210. The cubic root of 121144030 is about 494.8049158134.

Adding to 121144030 its reverse (30441121), we get a palindrome (151585151).

The spelling of 121144030 in words is "one hundred twenty-one million, one hundred forty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 127 254 635 889 1270 1778 4445 8890 13627 27254 68135 95389 136270 190778 476945 953890 1730629 3461258 8653145 12114403 17306290 24228806 60572015 121144030