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20134303112 = 23711110929473
BaseRepresentation
bin10010110000000110…
…010001010110001000
31220222012020120111002
4102300012101112020
5312213340144422
613125523554132
71311642516110
oct226006212610
956865216432
1020134303112
1185a231aa30
123a9ab2b948
131b8b46bc31
14d90086040
157cc949692
hex4b0191588

20134303112 has 64 divisors (see below), whose sum is σ = 47111241600. Its totient is φ = 7837194240.

The previous prime is 20134303087. The next prime is 20134303121. The reversal of 20134303112 is 21130343102.

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, 668408 + ... + 697880.

It is an arithmetic number, because the mean of its divisors is an integer number (736113150).

Almost surely, 220134303112 is an apocalyptic number.

20134303112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20134303112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23555620800).

20134303112 is an abundant number, since it is smaller than the sum of its proper divisors (26976938488).

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

20134303112 is a wasteful number, since it uses less digits than its factorization.

20134303112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30606 (or 30602 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20134303112 its reverse (21130343102), we get a palindrome (41264646214).

The spelling of 20134303112 in words is "twenty billion, one hundred thirty-four million, three hundred three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 1109 2218 4436 7763 8872 12199 15526 24398 29473 31052 48796 58946 62104 85393 97592 117892 170786 206311 235784 324203 341572 412622 648406 683144 825244 1296812 1650488 2269421 2593624 4538842 9077684 18155368 32685557 65371114 130742228 228798899 261484456 359541127 457597798 719082254 915195596 1438164508 1830391192 2516787889 2876329016 5033575778 10067151556 20134303112