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20315111304010 = 2523415737375511
BaseRepresentation
bin1001001111001111110101…
…11111100010101101001010
32122221002212000222022111011
410213213322333202231022
510130320321443212020
6111112344442554134
74164501252636205
oct447477277425512
978832760868434
1020315111304010
116522654798736
12234125580894a
13b44925a2c443
145033842b893c
15253698ee335a
hex1279fafe2b4a

20315111304010 has 64 divisors (see below), whose sum is σ = 39094656459264. Its totient is φ = 7581817267200.

The previous prime is 20315111303909. The next prime is 20315111304017. The reversal of 20315111304010 is 1040311151302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20315111304017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53912155 + ... + 54287665.

It is an arithmetic number, because the mean of its divisors is an integer number (610854007176).

Almost surely, 220315111304010 is an apocalyptic number.

20315111304010 is a deficient number, since it is larger than the sum of its proper divisors (18779545155254).

20315111304010 is a wasteful number, since it uses less digits than its factorization.

20315111304010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381319.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 20315111304010 its reverse (1040311151302), we get a palindrome (21355422455312).

The spelling of 20315111304010 in words is "twenty trillion, three hundred fifteen billion, one hundred eleven million, three hundred four thousand, ten".

Divisors: 1 2 5 10 23 41 46 82 115 205 230 410 943 1886 4715 5737 9430 11474 28685 57370 131951 235217 263902 375511 470434 659755 751022 1176085 1319510 1877555 2352170 3755110 5409991 8636753 10819982 15395951 17273506 27049955 30791902 43183765 54099910 76979755 86367530 153959510 354106873 708213746 1770534365 2154306607 3541068730 4308613214 10771533035 21543066070 49549051961 88326570887 99098103922 176653141774 247745259805 441632854435 495490519610 883265708870 2031511130401 4063022260802 10157555652005 20315111304010