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120220009975 = 5213536979391
BaseRepresentation
bin110111111110110101…
…0111100010111110111
3102111022100011021110001
41233331222330113313
53432202310304400
6131121152012131
711454110136622
oct1577552742767
9374270137401
10120220009975
1146a9207494a
121b371531047
13b44b9594a0
145b66656db9
1531d9463a6a
hex1bfdabc5f7

120220009975 has 24 divisors (see below), whose sum is σ = 163569030912. Its totient is φ = 87102787200.

The previous prime is 120220009961. The next prime is 120220009979. The reversal of 120220009975 is 579900022021.

It is not a de Polignac number, because 120220009975 - 217 = 120219878903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220009979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3472471 + ... + 3506920.

It is an arithmetic number, because the mean of its divisors is an integer number (6815376288).

Almost surely, 2120220009975 is an apocalyptic number.

120220009975 is a deficient number, since it is larger than the sum of its proper divisors (43349020937).

120220009975 is a wasteful number, since it uses less digits than its factorization.

120220009975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979467 (or 6979462 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 120220009975 in words is "one hundred twenty billion, two hundred twenty million, nine thousand, nine hundred seventy-five".

Divisors: 1 5 13 25 53 65 265 325 689 1325 3445 17225 6979391 34896955 90732083 174484775 369907723 453660415 1849538615 2268302075 4808800399 9247693075 24044001995 120220009975