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120412216 = 2315051527
BaseRepresentation
bin1110010110101…
…01100000111000
322101120120111201
413023111200320
5221311142331
615540503544
72661326011
oct713254070
9271516451
10120412216
1161a73531
12343aabb4
131bc3c742
1411dc6008
15a887a61
hex72d5838

120412216 has 8 divisors (see below), whose sum is σ = 225772920. Its totient is φ = 60206104.

The previous prime is 120412181. The next prime is 120412219. The reversal of 120412216 is 612214021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 120412193 and 120412202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120412219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525756 + ... + 7525771.

It is an arithmetic number, because the mean of its divisors is an integer number (28221615).

Almost surely, 2120412216 is an apocalyptic number.

It is an amenable number.

120412216 is a deficient number, since it is larger than the sum of its proper divisors (105360704).

120412216 is a wasteful number, since it uses less digits than its factorization.

120412216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15051533 (or 15051529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 120412216 is about 10973.2500199348. The cubic root of 120412216 is about 493.8065538810.

Adding to 120412216 its reverse (612214021), we get a palindrome (732626237).

The spelling of 120412216 in words is "one hundred twenty million, four hundred twelve thousand, two hundred sixteen".

Divisors: 1 2 4 8 15051527 30103054 60206108 120412216