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2000120140 = 225298938747
BaseRepresentation
bin111011100110111…
…0110100101001100
312011101120122000201
41313031312211030
513044012321030
6530245303244
7100364512024
oct16715664514
95141518021
102000120140
11937019957
12479a04b24
1325b4b9c55
1414d8caa84
15ba8d82ca
hex7737694c

2000120140 has 48 divisors (see below), whose sum is σ = 4394023200. Its totient is φ = 763761152.

The previous prime is 2000120131. The next prime is 2000120141. The reversal of 2000120140 is 410210002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2000120141) 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, 32247 + ... + 70993.

It is an arithmetic number, because the mean of its divisors is an integer number (91542150).

Almost surely, 22000120140 is an apocalyptic number.

2000120140 is a gapful number since it is divisible by the number (20) 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 2000120140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197011600).

2000120140 is an abundant number, since it is smaller than the sum of its proper divisors (2393903060).

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

2000120140 is a wasteful number, since it uses less digits than its factorization.

2000120140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38874 (or 38872 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2000120140 is about 44722.7027358589. The cubic root of 2000120140 is about 1259.9462772089.

Adding to 2000120140 its reverse (410210002), we get a palindrome (2410330142).

The spelling of 2000120140 in words is "two billion, one hundred twenty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 89 116 145 178 290 356 445 580 890 1780 2581 5162 10324 12905 25810 38747 51620 77494 154988 193735 387470 774940 1123663 2247326 3448483 4494652 5618315 6896966 11236630 13793932 17242415 22473260 34484830 68969660 100006007 200012014 400024028 500030035 1000060070 2000120140