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20134030120 = 2353071639579
BaseRepresentation
bin10010110000000101…
…001110101100101000
31220222011201201000021
4102300011032230220
5312213302430440
613125514050224
71311640301161
oct226005165450
956864651007
1020134030120
1185a2153916
123a9aa19974
131b8b3a48b9
14d90014768
157cc8e384a
hex4b014eb28

20134030120 has 32 divisors (see below), whose sum is σ = 45449157600. Its totient is φ = 8027373888.

The previous prime is 20134030117. The next prime is 20134030151. The reversal of 20134030120 is 2103043102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20134030094 and 20134030103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807510 + ... + 832069.

It is an arithmetic number, because the mean of its divisors is an integer number (1420286175).

Almost surely, 220134030120 is an apocalyptic number.

20134030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20134030120 is an abundant number, since it is smaller than the sum of its proper divisors (25315127480).

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

20134030120 is a wasteful number, since it uses less digits than its factorization.

20134030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639897 (or 1639893 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20134030120 its reverse (2103043102), we get a palindrome (22237073222).

The spelling of 20134030120 in words is "twenty billion, one hundred thirty-four million, thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 307 614 1228 1535 2456 3070 6140 12280 1639579 3279158 6558316 8197895 13116632 16395790 32791580 65583160 503350753 1006701506 2013403012 2516753765 4026806024 5033507530 10067015060 20134030120