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121210342 = 2115509561
BaseRepresentation
bin1110011100110…
…00010111100110
322110002010022221
413032120113212
5222012212332
620005542554
73001161631
oct716302746
9273063287
10121210342
1162469140
1234714a5a
131c15bac6
1412152c18
15a994297
hex73985e6

121210342 has 8 divisors (see below), whose sum is σ = 198344232. Its totient is φ = 55095600.

The previous prime is 121210333. The next prime is 121210351. The reversal of 121210342 is 243012121.

It is an interprime number because it is at equal distance from previous prime (121210333) and next prime (121210351).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754759 + ... + 2754802.

It is an arithmetic number, because the mean of its divisors is an integer number (24793029).

Almost surely, 2121210342 is an apocalyptic number.

121210342 is a deficient number, since it is larger than the sum of its proper divisors (77133890).

121210342 is a wasteful number, since it uses less digits than its factorization.

121210342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509574.

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

The square root of 121210342 is about 11009.5568484840. The cubic root of 121210342 is about 494.8951816966.

Adding to 121210342 its reverse (243012121), we get a palindrome (364222463).

The spelling of 121210342 in words is "one hundred twenty-one million, two hundred ten thousand, three hundred forty-two".

Divisors: 1 2 11 22 5509561 11019122 60605171 121210342