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120020411 = 717145773
BaseRepresentation
bin1110010011101…
…01110110111011
322100211200001102
413021311312323
5221211123121
615524242015
72655104510
oct711656673
9270750042
10120020411
1161826125
123424030b
131bb332c4
1411d23307
15a80b90b
hex7275dbb

120020411 has 4 divisors (see below), whose sum is σ = 137166192. Its totient is φ = 102874632.

The previous prime is 120020399. The next prime is 120020423. The reversal of 120020411 is 114020021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114020021 = 198757383.

It is an interprime number because it is at equal distance from previous prime (120020399) and next prime (120020423).

It is not a de Polignac number, because 120020411 - 26 = 120020347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020392 and 120020401.

It is not an unprimeable number, because it can be changed into a prime (120020431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8572880 + ... + 8572893.

It is an arithmetic number, because the mean of its divisors is an integer number (34291548).

Almost surely, 2120020411 is an apocalyptic number.

120020411 is a deficient number, since it is larger than the sum of its proper divisors (17145781).

120020411 is an equidigital number, since it uses as much as digits as its factorization.

120020411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145780.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 120020411 is about 10955.3827409178. The cubic root of 120020411 is about 493.2703787555.

Adding to 120020411 its reverse (114020021), we get a palindrome (234040432).

The spelling of 120020411 in words is "one hundred twenty million, twenty thousand, four hundred eleven".

Divisors: 1 7 17145773 120020411