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115532552351021 = 1343212437972887
BaseRepresentation
bin11010010001001110000100…
…101111100010110100101101
3120011001210201012212101112012
4122101032010233202310231
5110120341131400213041
61045414531041251005
733222644230545011
oct3221160457426455
9504053635771465
10115532552351021
11338a3097969293
1210b5ab96033a65
134c608995a7250
142075b3bd12541
15d554007ad3eb
hex691384be2d2d

115532552351021 has 16 divisors (see below), whose sum is σ = 127313882661504. Its totient is φ = 104164709189184.

The previous prime is 115532552351011. The next prime is 115532552351057. The reversal of 115532552351021 is 120153255235511.

It is a cyclic number.

It is not a de Polignac number, because 115532552351021 - 222 = 115532548156717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115532552351021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115532552351011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118265840 + ... + 119238726.

It is an arithmetic number, because the mean of its divisors is an integer number (7957117666344).

Almost surely, 2115532552351021 is an apocalyptic number.

It is an amenable number.

115532552351021 is a deficient number, since it is larger than the sum of its proper divisors (11781330310483).

115532552351021 is a wasteful number, since it uses less digits than its factorization.

115532552351021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185380.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 115532552351021 in words is "one hundred fifteen trillion, five hundred thirty-two billion, five hundred fifty-two million, three hundred fifty-one thousand, twenty-one".

Divisors: 1 13 43 559 212437 972887 2761681 9134791 12647531 41834141 118752283 543843833 206677195619 2686803543047 8887119411617 115532552351021