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120221199 = 3371374643
BaseRepresentation
bin1110010101001…
…10111000001111
322101012212111000
413022212320033
5221234034244
615532431343
72656602060
oct712467017
9271185430
10120221199
1161952a6a
1234318553
131bba3807
1411d76567
15a84b169
hex72a6e0f

120221199 has 32 divisors (see below), whose sum is σ = 205079040. Its totient is φ = 68181696.

The previous prime is 120221197. The next prime is 120221201. The reversal of 120221199 is 991122021.

It is an interprime number because it is at equal distance from previous prime (120221197) and next prime (120221201).

It is not a de Polignac number, because 120221199 - 21 = 120221197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23572 + ... + 28214.

It is an arithmetic number, because the mean of its divisors is an integer number (6408720).

Almost surely, 2120221199 is an apocalyptic number.

120221199 is a deficient number, since it is larger than the sum of its proper divisors (84857841).

120221199 is a wasteful number, since it uses less digits than its factorization.

120221199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796 (or 4790 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 120221199 is about 10964.5428085260. The cubic root of 120221199 is about 493.5452975300.

The spelling of 120221199 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred ninety-nine".

Divisors: 1 3 7 9 21 27 63 137 189 411 959 1233 2877 3699 4643 8631 13929 25893 32501 41787 97503 125361 292509 636091 877527 1908273 4452637 5724819 13357911 17174457 40073733 120221199