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122660006 = 278761429
BaseRepresentation
bin1110100111110…
…10010010100110
322112210202220012
413103322102212
5222400110011
620101010222
73016410230
oct723722246
9275722805
10122660006
1163269307
12350b3972
131c5488b1
141240d250
15ab7da8b
hex74fa4a6

122660006 has 8 divisors (see below), whose sum is σ = 210274320. Its totient is φ = 52568568.

The previous prime is 122660003. The next prime is 122660011. The reversal of 122660006 is 600066221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122660003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380701 + ... + 4380728.

It is an arithmetic number, because the mean of its divisors is an integer number (26284290).

Almost surely, 2122660006 is an apocalyptic number.

122660006 is a deficient number, since it is larger than the sum of its proper divisors (87614314).

122660006 is an equidigital number, since it uses as much as digits as its factorization.

122660006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761438.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 122660006 is about 11075.1977860443. The cubic root of 122660006 is about 496.8603342638.

The spelling of 122660006 in words is "one hundred twenty-two million, six hundred sixty thousand, six".

Divisors: 1 2 7 14 8761429 17522858 61330003 122660006