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1054210400345 = 5210842080069
BaseRepresentation
bin11110101011100111101…
…01100010000001011001
310201210002201212002120102
433111303311202001121
5114233010330302340
62124144135305145
7136110213360314
oct17256365420131
93653081762512
101054210400345
113770a7319053
12150390b1b1b5
13785474160cb
143904a01997b
151c650a92215
hexf573d62059

1054210400345 has 4 divisors (see below), whose sum is σ = 1265052480420. Its totient is φ = 843368320272.

The previous prime is 1054210400323. The next prime is 1054210400351. The reversal of 1054210400345 is 5430040124501.

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 243585679936 + 810624720409 = 493544^2 + 900347^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054210400345 - 236 = 985490923609 is a prime.

It is a super-3 number, since 3×10542104003453 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105421040030 + ... + 105421040039.

It is an arithmetic number, because the mean of its divisors is an integer number (316263120105).

Almost surely, 21054210400345 is an apocalyptic number.

It is an amenable number.

1054210400345 is a deficient number, since it is larger than the sum of its proper divisors (210842080075).

1054210400345 is an equidigital number, since it uses as much as digits as its factorization.

1054210400345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210842080074.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1054210400345 its reverse (5430040124501), we get a palindrome (6484250524846).

The spelling of 1054210400345 in words is "one trillion, fifty-four billion, two hundred ten million, four hundred thousand, three hundred forty-five".

Divisors: 1 5 210842080069 1054210400345