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105115525355 = 521023105071
BaseRepresentation
bin110000111100101011…
…1111010000011101011
3101001022200101221210202
41201321113322003223
53210234033302410
6120142302302415
710410601136411
oct1417127720353
9331280357722
10105115525355
1140640a79005
1218456b87a0b
139bb2589619
1451325d52b1
152b033b0ca5
hex18795fa0eb

105115525355 has 4 divisors (see below), whose sum is σ = 126138630432. Its totient is φ = 84092420280.

The previous prime is 105115525351. The next prime is 105115525363. The reversal of 105115525355 is 553525511501.

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

It is not a de Polignac number, because 105115525355 - 22 = 105115525351 is a prime.

It is a super-2 number, since 2×1051155253552 (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 (105115525351) 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, 10511552531 + ... + 10511552540.

It is an arithmetic number, because the mean of its divisors is an integer number (31534657608).

Almost surely, 2105115525355 is an apocalyptic number.

105115525355 is a deficient number, since it is larger than the sum of its proper divisors (21023105077).

105115525355 is an equidigital number, since it uses as much as digits as its factorization.

105115525355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21023105076.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 105115525355 in words is "one hundred five billion, one hundred fifteen million, five hundred twenty-five thousand, three hundred fifty-five".

Divisors: 1 5 21023105071 105115525355