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120710013 = 3172818423
BaseRepresentation
bin1110011000111…
…10001101111101
322102010201000020
413030132031331
5221400210023
615551122353
72664006144
oct714361575
9272121006
10120710013
1162157246
12345133b9
131c015158
141206275b
15a8e5de3
hex731e37d

120710013 has 16 divisors (see below), whose sum is σ = 171040896. Its totient is φ = 75461120.

The previous prime is 120709997. The next prime is 120710039. The reversal of 120710013 is 310017021.

It is a cyclic number.

It is not a de Polignac number, because 120710013 - 24 = 120709997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120709974 and 120710001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120710713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10120 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (10690056).

Almost surely, 2120710013 is an apocalyptic number.

It is an amenable number.

120710013 is a deficient number, since it is larger than the sum of its proper divisors (50330883).

120710013 is a wasteful number, since it uses less digits than its factorization.

120710013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 120710013 is about 10986.8108657608. The cubic root of 120710013 is about 494.2133039953.

Adding to 120710013 its reverse (310017021), we get a palindrome (430727034).

The spelling of 120710013 in words is "one hundred twenty million, seven hundred ten thousand, thirteen".

Divisors: 1 3 17 51 281 843 4777 8423 14331 25269 143191 429573 2366863 7100589 40236671 120710013