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20100210242 = 2729241205427
BaseRepresentation
bin10010101110000100…
…001101111001000010
31220212211002110212012
4102232010031321002
5312131123211432
613122305132522
71311046653020
oct225604157102
956784073765
1020100210242
118585054502
123a8b62a142
131b84393038
14d8972d710
157c9962cb2
hex4ae10de42

20100210242 has 32 divisors (see below), whose sum is σ = 35793774720. Its totient is φ = 8282776320.

The previous prime is 20100210233. The next prime is 20100210281. The reversal of 20100210242 is 24201200102.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 4868 + ... + 200559.

It is an arithmetic number, because the mean of its divisors is an integer number (1118555460).

Almost surely, 220100210242 is an apocalyptic number.

20100210242 is a deficient number, since it is larger than the sum of its proper divisors (15693564478).

20100210242 is a wasteful number, since it uses less digits than its factorization.

20100210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205706.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20100210242 its reverse (24201200102), we get a palindrome (44301410344).

The spelling of 20100210242 in words is "twenty billion, one hundred million, two hundred ten thousand, two hundred forty-two".

Divisors: 1 2 7 14 29 58 203 241 406 482 1687 3374 6989 13978 48923 97846 205427 410854 1437989 2875978 5957383 11914766 41701681 49507907 83403362 99015814 346555349 693110698 1435729303 2871458606 10050105121 20100210242