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20041251315 = 354261313561
BaseRepresentation
bin10010101010100011…
…010011100111110011
31220201201011001102020
4102222203103213303
5312021030020230
613112401322523
71306432553061
oct225243234763
956651131366
1020041251315
118554844818
123a73936443
131b750bbbb7
14d81983031
157c46b8810
hex4aa8d39f3

20041251315 has 16 divisors (see below), whose sum is σ = 32073629856. Its totient is φ = 10686124800.

The previous prime is 20041251233. The next prime is 20041251353. The reversal of 20041251315 is 51315214002.

It is a happy number.

It is not a de Polignac number, because 20041251315 - 226 = 19974142451 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92866 + ... + 220695.

It is an arithmetic number, because the mean of its divisors is an integer number (2004601866).

Almost surely, 220041251315 is an apocalyptic number.

20041251315 is a deficient number, since it is larger than the sum of its proper divisors (12032378541).

20041251315 is a wasteful number, since it uses less digits than its factorization.

20041251315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317830.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 20041251315 its reverse (51315214002), we get a palindrome (71356465317).

The spelling of 20041251315 in words is "twenty billion, forty-one million, two hundred fifty-one thousand, three hundred fifteen".

Divisors: 1 3 5 15 4261 12783 21305 63915 313561 940683 1567805 4703415 1336083421 4008250263 6680417105 20041251315