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20112101002 = 2723449139109
BaseRepresentation
bin10010101110110001…
…100100111010001010
31220220122110120220201
4102232301210322022
5312142144213002
613123412042414
71311253015660
oct225661447212
956818416821
1020112101002
118590836184
123a9360340a
131b869973a6
14d8b146c30
157caa11087
hex4aec64e8a

20112101002 has 32 divisors (see below), whose sum is σ = 36057312000. Its totient is φ = 8226290688.

The previous prime is 20112100999. The next prime is 20112101029. The reversal of 20112101002 is 20010121102.

It is a self number, because there is not a number n which added to its sum of digits gives 20112101002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75024 + ... + 214132.

It is an arithmetic number, because the mean of its divisors is an integer number (1126791000).

Almost surely, 220112101002 is an apocalyptic number.

20112101002 is a deficient number, since it is larger than the sum of its proper divisors (15945210998).

20112101002 is a wasteful number, since it uses less digits than its factorization.

20112101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139590.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20112101002 its reverse (20010121102), we get a palindrome (40122222104).

The spelling of 20112101002 in words is "twenty billion, one hundred twelve million, one hundred one thousand, two".

Divisors: 1 2 7 14 23 46 161 322 449 898 3143 6286 10327 20654 72289 139109 144578 278218 973763 1947526 3199507 6399014 22396549 44793098 62459941 124919882 437219587 874439174 1436578643 2873157286 10056050501 20112101002