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120712380338778 = 2320118730056463
BaseRepresentation
bin11011011100100110001010…
…100011001101001001011010
3120211101222202100001210202020
4123130212022203031021122
5111310222423331320103
61104422300231515310
734266116213150634
oct3334461243151132
9524358670053666
10120712380338778
113550a918810648
1211656a4bb28b36
135248189777857
1421b47206b9a54
15de501555b753
hex6dc98a8cd25a

120712380338778 has 8 divisors (see below), whose sum is σ = 241424760677568. Its totient is φ = 40237460112924.

The previous prime is 120712380338777. The next prime is 120712380338783. The reversal of 120712380338778 is 877833083217021.

It is a happy number.

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

120712380338778 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120712380338777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10059365028226 + ... + 10059365028237.

It is an arithmetic number, because the mean of its divisors is an integer number (30178095084696).

Almost surely, 2120712380338778 is an apocalyptic number.

120712380338778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120712380338778 is a wasteful number, since it uses less digits than its factorization.

120712380338778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20118730056468.

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 120712380338778 in words is "one hundred twenty trillion, seven hundred twelve billion, three hundred eighty million, three hundred thirty-eight thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 20118730056463 40237460112926 60356190169389 120712380338778