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20011412242 = 22910925112611
BaseRepresentation
bin10010101000110001…
…011110101100010010
31220122122000001220101
4102220301132230102
5311440410142432
613105414003014
71305621124513
oct225061365422
956578001811
1020011412242
118539a14228
123a6594646a
131b6bb72243
14d7ba16a0a
157c1c724e7
hex4a8c5eb12

20011412242 has 32 divisors (see below), whose sum is σ = 31464417600. Its totient is φ = 9533160000.

The previous prime is 20011412233. The next prime is 20011412257. The reversal of 20011412242 is 24221411002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580517 + ... + 1593127.

It is an arithmetic number, because the mean of its divisors is an integer number (983263050).

Almost surely, 220011412242 is an apocalyptic number.

20011412242 is a deficient number, since it is larger than the sum of its proper divisors (11453005358).

20011412242 is a wasteful number, since it uses less digits than its factorization.

20011412242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20011412242 its reverse (24221411002), we get a palindrome (44232823244).

The spelling of 20011412242 in words is "twenty billion, eleven million, four hundred twelve thousand, two hundred forty-two".

Divisors: 1 2 29 58 109 218 251 502 3161 6322 7279 12611 14558 25222 27359 54718 365719 731438 793411 1374599 1586822 2749198 3165361 6330722 39863371 79726742 91795469 183590938 345024349 690048698 10005706121 20011412242