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12930392122 = 247137557363
BaseRepresentation
bin11000000101011011…
…00010000000111010
31020101010210222101221
430002231202000322
5202440140021442
65535023102254
7635266343134
oct140255420072
936333728357
1012930392122
115535961a8a
12260a44198a
1312b0b3c7cb
148a940a054
1550a2a2467
hex302b6203a

12930392122 has 8 divisors (see below), whose sum is σ = 19808260416. Its totient is φ = 6327638652.

The previous prime is 12930392077. The next prime is 12930392143. The reversal of 12930392122 is 22129303921.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68778588 + ... + 68778775.

It is an arithmetic number, because the mean of its divisors is an integer number (2476032552).

Almost surely, 212930392122 is an apocalyptic number.

12930392122 is a deficient number, since it is larger than the sum of its proper divisors (6877868294).

12930392122 is a wasteful number, since it uses less digits than its factorization.

12930392122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137557412.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 12930392122 in words is "twelve billion, nine hundred thirty million, three hundred ninety-two thousand, one hundred twenty-two".

Divisors: 1 2 47 94 137557363 275114726 6465196061 12930392122