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120131023153 = 891349786777
BaseRepresentation
bin110111111100001011…
…1011111000100110001
3102111002010201021110211
41233320113133010301
53432012020220103
6131104252424121
711451646564051
oct1577027370461
9374063637424
10120131023153
1146a46915819
121b347778041
13b4363a076b
145b588d1561
1531d173736d
hex1bf85df131

120131023153 has 4 divisors (see below), whose sum is σ = 121480810020. Its totient is φ = 118781236288.

The previous prime is 120131023121. The next prime is 120131023169. The reversal of 120131023153 is 351320131021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10406448144 + 109724575009 = 102012^2 + 331247^2 .

It is a cyclic number.

It is not a de Polignac number, because 120131023153 - 25 = 120131023121 is a prime.

It is a super-2 number, since 2×1201310231532 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120131023193) 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, 674893300 + ... + 674893477.

It is an arithmetic number, because the mean of its divisors is an integer number (30370202505).

Almost surely, 2120131023153 is an apocalyptic number.

It is an amenable number.

120131023153 is a deficient number, since it is larger than the sum of its proper divisors (1349786867).

120131023153 is an equidigital number, since it uses as much as digits as its factorization.

120131023153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349786866.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 120131023153 its reverse (351320131021), we get a palindrome (471451154174).

The spelling of 120131023153 in words is "one hundred twenty billion, one hundred thirty-one million, twenty-three thousand, one hundred fifty-three".

Divisors: 1 89 1349786777 120131023153