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120423606806 = 2389154786127
BaseRepresentation
bin111000000100111001…
…1100110101000010110
3102111211112021001210102
41300021303212220112
53433111420404211
6131153303454102
711462131524446
oct1601163465026
9374745231712
10120423606806
1147086a94198
121b409757332
13b481ba2999
145b856d4126
1531ec27da3b
hex1c09ce6a16

120423606806 has 8 divisors (see below), whose sum is σ = 181099769760. Its totient is φ = 60057016888.

The previous prime is 120423606767. The next prime is 120423606817. The reversal of 120423606806 is 608606324021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 120423606806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 77392286 + ... + 77393841.

It is an arithmetic number, because the mean of its divisors is an integer number (22637471220).

Almost surely, 2120423606806 is an apocalyptic number.

120423606806 is a deficient number, since it is larger than the sum of its proper divisors (60676162954).

120423606806 is a wasteful number, since it uses less digits than its factorization.

120423606806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154786518.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 120423606806 in words is "one hundred twenty billion, four hundred twenty-three million, six hundred six thousand, eight hundred six".

Divisors: 1 2 389 778 154786127 309572254 60211803403 120423606806