Search a number
-
+
120678004524909 = 31319915549285469
BaseRepresentation
bin11011011100000110001001…
…100101111000011101101101
3120211021201000121220112012210
4123130012021211320131231
5111304142023124244114
61104354413202521033
734263461310436146
oct3334061145703555
9524251017815183
10120678004524909
11354a7288537917
1211650257666179
135244b6b96a3a0
1421b2bbd050acd
15de41a26c5259
hex6dc18997876d

120678004524909 has 16 divisors (see below), whose sum is σ = 174151997264000. Its totient is φ = 73890204543936.

The previous prime is 120678004524893. The next prime is 120678004524923. The reversal of 120678004524909 is 909425400876021.

It is not a de Polignac number, because 120678004524909 - 24 = 120678004524893 is a prime.

It is a super-2 number, since 2×1206780045249092 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120678004524929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7774634974 + ... + 7774650495.

It is an arithmetic number, because the mean of its divisors is an integer number (10884499829000).

Almost surely, 2120678004524909 is an apocalyptic number.

It is an amenable number.

120678004524909 is a deficient number, since it is larger than the sum of its proper divisors (53473992739091).

120678004524909 is a wasteful number, since it uses less digits than its factorization.

120678004524909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15549285684.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 120678004524909 in words is "one hundred twenty trillion, six hundred seventy-eight billion, four million, five hundred twenty-four thousand, nine hundred nine".

Divisors: 1 3 13 39 199 597 2587 7761 15549285469 46647856407 202140711097 606422133291 3094307808331 9282923424993 40226001508303 120678004524909