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121942270 = 2512194227
BaseRepresentation
bin1110100010010…
…11000011111110
322111110022100101
413101023003332
5222204123040
620033351314
73010330552
oct721130376
9274408311
10121942270
116291903a
1234a0853a
131c356cb8
14122a3862
15aa8b09a
hex744b0fe

121942270 has 8 divisors (see below), whose sum is σ = 219496104. Its totient is φ = 48776904.

The previous prime is 121942259. The next prime is 121942283. The reversal of 121942270 is 72249121.

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, 6097104 + ... + 6097123.

It is an arithmetic number, because the mean of its divisors is an integer number (27437013).

Almost surely, 2121942270 is an apocalyptic number.

121942270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121942270 is a deficient number, since it is larger than the sum of its proper divisors (97553834).

121942270 is a wasteful number, since it uses less digits than its factorization.

121942270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194234.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 121942270 is about 11042.7473936516. The cubic root of 121942270 is about 495.8893239662.

The spelling of 121942270 in words is "one hundred twenty-one million, nine hundred forty-two thousand, two hundred seventy".

Divisors: 1 2 5 10 12194227 24388454 60971135 121942270