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20124112600 = 2352454722129
BaseRepresentation
bin10010101111011111…
…011001011011011000
31220221111001211201201
4102233133121123120
5312203233100400
613124521323544
71311460064134
oct225737313330
956844054651
1020124112600
11859759a719
123a976365b4
131b89311747
14d8c9923c4
157cbad506a
hex4af7d96d8

20124112600 has 48 divisors (see below), whose sum is σ = 46800966600. Its totient is φ = 8047511040.

The previous prime is 20124112597. The next prime is 20124112601. The reversal of 20124112600 is 621142102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20124112601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 898336 + ... + 920464.

Almost surely, 220124112600 is an apocalyptic number.

20124112600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20124112600 is an abundant number, since it is smaller than the sum of its proper divisors (26676854000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20124112600 is a wasteful number, since it uses less digits than its factorization.

20124112600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26692 (or 26683 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20124112600 its reverse (621142102), we get a palindrome (20745254702).

The spelling of 20124112600 in words is "twenty billion, one hundred twenty-four million, one hundred twelve thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 4547 9094 18188 22129 22735 36376 44258 45470 88516 90940 110645 113675 177032 181880 221290 227350 442580 454700 553225 885160 909400 1106450 2212900 4425800 100620563 201241126 402482252 503102815 804964504 1006205630 2012411260 2515514075 4024822520 5031028150 10062056300 20124112600