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120111032013 = 3711534960601
BaseRepresentation
bin110111111011100101…
…1001110011011001101
3102111000202002121210020
41233313023032123031
53431441411011023
6131102300132353
711451314632620
oct1576713163315
9374022077706
10120111032013
1146a36601115
121b340b370b9
13b4321c139b
145b55da9db7
1531cead8de3
hex1bf72ce6cd

120111032013 has 16 divisors (see below), whose sum is σ = 183185110656. Its totient is φ = 68575334400.

The previous prime is 120111031951. The next prime is 120111032053. The reversal of 120111032013 is 310230111021.

It is a happy number.

It is not a de Polignac number, because 120111032013 - 218 = 120110769869 is a prime.

It is a super-2 number, since 2×1201110320132 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120111031983 and 120111032001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111032053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2456088 + ... + 2504513.

It is an arithmetic number, because the mean of its divisors is an integer number (11449069416).

Almost surely, 2120111032013 is an apocalyptic number.

It is an amenable number.

120111032013 is a deficient number, since it is larger than the sum of its proper divisors (63074078643).

120111032013 is a wasteful number, since it uses less digits than its factorization.

120111032013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961764.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 120111032013 its reverse (310230111021), we get a palindrome (430341143034).

The spelling of 120111032013 in words is "one hundred twenty billion, one hundred eleven million, thirty-two thousand, thirteen".

Divisors: 1 3 7 21 1153 3459 8071 24213 4960601 14881803 34724207 104172621 5719572953 17158718859 40037010671 120111032013