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120025213 = 71173131163
BaseRepresentation
bin1110010011101…
…11000001111101
322100211220122021
413021313001331
5221211301323
615524320141
72655124510
oct711670175
9270756567
10120025213
11618297a0
1234243051
131bb35549
1411d24d77
15a80d05d
hex727707d

120025213 has 32 divisors (see below), whose sum is σ = 153787392. Its totient is φ = 90979200.

The previous prime is 120025183. The next prime is 120025237. The reversal of 120025213 is 312520021.

It is a cyclic number.

It is not a de Polignac number, because 120025213 - 213 = 120017021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120025313) 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, 736270 + ... + 736432.

It is an arithmetic number, because the mean of its divisors is an integer number (4805856).

Almost surely, 2120025213 is an apocalyptic number.

It is an amenable number.

120025213 is a deficient number, since it is larger than the sum of its proper divisors (33762179).

120025213 is a wasteful number, since it uses less digits than its factorization.

120025213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120025213 is about 10955.6019003978. The cubic root of 120025213 is about 493.2769572276.

Adding to 120025213 its reverse (312520021), we get a palindrome (432545234).

The spelling of 120025213 in words is "one hundred twenty million, twenty-five thousand, two hundred thirteen".

Divisors: 1 7 11 73 77 131 163 511 803 917 1141 1441 1793 5621 9563 10087 11899 12551 21353 66941 83293 105193 130889 149471 234883 736351 916223 1558769 1644181 10911383 17146459 120025213