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121333130 = 2523950767
BaseRepresentation
bin1110011101101…
…10010110001010
322110022100202122
413032312112022
5222030130010
620012331242
73002212622
oct716662612
9273270678
10121333130
1162542416
1234773b22
131c1a2969
1412185882
15a9ba855
hex73b658a

121333130 has 16 divisors (see below), whose sum is σ = 219317760. Its totient is φ = 48329232.

The previous prime is 121333111. The next prime is 121333139. The reversal of 121333130 is 31333121.

It is a junction number, because it is equal to n+sod(n) for n = 121333099 and 121333108.

It is not an unprimeable number, because it can be changed into a prime (121333139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22994 + ... + 27773.

It is an arithmetic number, because the mean of its divisors is an integer number (13707360).

Almost surely, 2121333130 is an apocalyptic number.

121333130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121333130 is a deficient number, since it is larger than the sum of its proper divisors (97984630).

121333130 is a wasteful number, since it uses less digits than its factorization.

121333130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51013.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 121333130 is about 11015.1318648485. The cubic root of 121333130 is about 495.0622375235.

Adding to 121333130 its reverse (31333121), we get a palindrome (152666251).

Subtracting from 121333130 its reverse (31333121), we obtain a palindrome (90000009).

It can be divided in two parts, 1213 and 33130, that added together give a palindrome (34343).

The spelling of 121333130 in words is "one hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 239 478 1195 2390 50767 101534 253835 507670 12133313 24266626 60666565 121333130