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20011300012 = 221129127712281
BaseRepresentation
bin10010101000110001…
…000011010010101100
31220122121210100221201
4102220301003102230
5311440343100022
613105411335244
71305620146354
oct225061032254
956577710851
1020011300012
118539947980
123a658b1524
131b6bb33132
14d7b9c7b64
157c1c4e127
hex4a8c434ac

20011300012 has 48 divisors (see below), whose sum is σ = 39554917920. Its totient is φ = 8774796800.

The previous prime is 20011300009. The next prime is 20011300019. The reversal of 20011300012 is 21000311002.

It is not an unprimeable number, because it can be changed into a prime (20011300019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1623312 + ... + 1635592.

It is an arithmetic number, because the mean of its divisors is an integer number (824060790).

Almost surely, 220011300012 is an apocalyptic number.

20011300012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20011300012 is a deficient number, since it is larger than the sum of its proper divisors (19543617908).

20011300012 is a wasteful number, since it uses less digits than its factorization.

20011300012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602 (or 13600 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20011300012 its reverse (21000311002), we get a palindrome (41011611014).

It can be divided in two parts, 20011 and 300012, that added together give a palindrome (320023).

The spelling of 20011300012 in words is "twenty billion, eleven million, three hundred thousand, twelve".

Divisors: 1 2 4 11 22 29 44 58 116 319 638 1276 1277 2554 5108 12281 14047 24562 28094 37033 49124 56188 74066 135091 148132 270182 356149 407363 540364 712298 814726 1424596 1629452 3917639 7835278 15670556 15682837 31365674 62731348 172511207 345022414 454802273 690044828 909604546 1819209092 5002825003 10005650006 20011300012