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2124620979 = 31354477461
BaseRepresentation
bin111111010100011…
…0010010010110011
312111001211221001220
41332220302102303
513322400332404
6550454000123
7103435660155
oct17650622263
95431757056
102124620979
119a0325208
124b3646043
1327b22b6a0
14162258ad5
15c67cc4d9
hex7ea324b3

2124620979 has 8 divisors (see below), whose sum is σ = 3050737872. Its totient is φ = 1307459040.

The previous prime is 2124620963. The next prime is 2124621029. The reversal of 2124620979 is 9790264212.

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

It is not a de Polignac number, because 2124620979 - 24 = 2124620963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2124620979.

It is not an unprimeable number, because it can be changed into a prime (2124620909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27238692 + ... + 27238769.

It is an arithmetic number, because the mean of its divisors is an integer number (381342234).

Almost surely, 22124620979 is an apocalyptic number.

2124620979 is a deficient number, since it is larger than the sum of its proper divisors (926116893).

2124620979 is a wasteful number, since it uses less digits than its factorization.

2124620979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54477477.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2124620979 is about 46093.6110431804. The cubic root of 2124620979 is about 1285.5643539434.

The spelling of 2124620979 in words is "two billion, one hundred twenty-four million, six hundred twenty thousand, nine hundred seventy-nine".

Divisors: 1 3 13 39 54477461 163432383 708206993 2124620979