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60120213031213 = 190249316008037
BaseRepresentation
bin11011010101101110100111…
…11100010000100100101101
321212212102210000102020100121
431222313103330100210231
530340002144013444323
6331510502232524541
715443353632021166
oct1552672374204455
9255772700366317
1060120213031213
1118179925a1a785
1268ab849850751
132771408c3331a
1410bbb9609476d
156e3ce85d8a5d
hex36add3f1092d

60120213031213 has 4 divisors (see below), whose sum is σ = 60120529229500. Its totient is φ = 60119896832928.

The previous prime is 60120213031201. The next prime is 60120213031231. The reversal of 60120213031213 is 31213031202106.

It is a happy number.

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 55072161207844 + 5048051823369 = 7421062^2 + 2246787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60120213031213 is a prime.

It is a super-2 number, since 2×601202130312132 (a number of 28 digits) contains 22 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 (60120213031513) 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, 157813770 + ... + 158194267.

It is an arithmetic number, because the mean of its divisors is an integer number (15030132307375).

Almost surely, 260120213031213 is an apocalyptic number.

It is an amenable number.

60120213031213 is a deficient number, since it is larger than the sum of its proper divisors (316198287).

60120213031213 is a wasteful number, since it uses less digits than its factorization.

60120213031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316198286.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 60120213031213 its reverse (31213031202106), we get a palindrome (91333244233319).

The spelling of 60120213031213 in words is "sixty trillion, one hundred twenty billion, two hundred thirteen million, thirty-one thousand, two hundred thirteen".

Divisors: 1 190249 316008037 60120213031213