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120539101 = 344934949
BaseRepresentation
bin1110010111101…
…00011111011101
322101211000120011
413023310133131
5221324222401
615543323221
72662364644
oct713643735
9271730504
10120539101
116204a8a1
1234450511
131bc85417
141201a35b
15a8b0451
hex72f47dd

120539101 has 4 divisors (see below), whose sum is σ = 120577500. Its totient is φ = 120500704.

The previous prime is 120539099. The next prime is 120539123. The reversal of 120539101 is 101935021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101935021 = 127979699.

It can be written as a sum of positive squares in 2 ways, for example, as 2295225 + 118243876 = 1515^2 + 10874^2 .

It is a cyclic number.

It is not a de Polignac number, because 120539101 - 21 = 120539099 is a prime.

It is a super-4 number, since 4×1205391014 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120539131) 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, 14026 + ... + 20923.

It is an arithmetic number, because the mean of its divisors is an integer number (30144375).

Almost surely, 2120539101 is an apocalyptic number.

It is an amenable number.

120539101 is a deficient number, since it is larger than the sum of its proper divisors (38399).

120539101 is an equidigital number, since it uses as much as digits as its factorization.

120539101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38398.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 120539101 is about 10979.0300573411. The cubic root of 120539101 is about 493.9799434016.

The spelling of 120539101 in words is "one hundred twenty million, five hundred thirty-nine thousand, one hundred one".

Divisors: 1 3449 34949 120539101