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303240505045 = 5157386293637
BaseRepresentation
bin1000110100110101000…
…10101110011011010101
31001222201100111201222111
410122122202232123111
514432014032130140
6351150132231021
730623403523042
oct4323242563325
91058640451874
10303240505045
111076703a5745
124a92a76b471
13227982acb0a
14109696721c9
157d4be0d7ea
hex469a8ae6d5

303240505045 has 8 divisors (see below), whose sum is σ = 366206368824. Its totient is φ = 241047228864.

The previous prime is 303240504961. The next prime is 303240505069. The reversal of 303240505045 is 540505042303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45690345009 + 257550160036 = 213753^2 + 507494^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 303240505045 - 215 = 303240472277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303240504998 and 303240505016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193146034 + ... + 193147603.

It is an arithmetic number, because the mean of its divisors is an integer number (45775796103).

Almost surely, 2303240505045 is an apocalyptic number.

It is an amenable number.

303240505045 is a deficient number, since it is larger than the sum of its proper divisors (62965863779).

303240505045 is a wasteful number, since it uses less digits than its factorization.

303240505045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386293799.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 303240505045 its reverse (540505042303), we get a palindrome (843745547348).

The spelling of 303240505045 in words is "three hundred three billion, two hundred forty million, five hundred five thousand, forty-five".

Divisors: 1 5 157 785 386293637 1931468185 60648101009 303240505045