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53768130105 = 357694661303
BaseRepresentation
bin110010000100110101…
…001000111000111001
312010210012020000101010
4302010311020320321
51340104120130410
640411205344133
73612265364544
oct620465107071
9163705200333
1053768130105
1120891786a68
12a506a08049
1350bb629001
142860d6785b
1515ea5b7c20
hexc84d48e39

53768130105 has 16 divisors (see below), whose sum is σ = 86140897920. Its totient is φ = 28639039488.

The previous prime is 53768130037. The next prime is 53768130109. The reversal of 53768130105 is 50103186735.

It is a happy number.

It is not a de Polignac number, because 53768130105 - 29 = 53768129593 is a prime.

It is a super-2 number, since 2×537681301052 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53768130109) 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, 2319117 + ... + 2342186.

It is an arithmetic number, because the mean of its divisors is an integer number (5383806120).

Almost surely, 253768130105 is an apocalyptic number.

It is an amenable number.

53768130105 is a deficient number, since it is larger than the sum of its proper divisors (32372767815).

53768130105 is a wasteful number, since it uses less digits than its factorization.

53768130105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662080.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 53768130105 in words is "fifty-three billion, seven hundred sixty-eight million, one hundred thirty thousand, one hundred five".

Divisors: 1 3 5 15 769 2307 3845 11535 4661303 13983909 23306515 69919545 3584542007 10753626021 17922710035 53768130105