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120211031000 = 2353229524939
BaseRepresentation
bin110111111110100100…
…0101100001111011000
3102111021201021002121102
41233331020230033120
53432143010443000
6131120231330532
711453640622064
oct1577510541730
9374251232542
10120211031000
1146a87aa1905
121b36a520a48
13b449b34598
145b6539aaa4
1531d878d3d5
hex1bfd22c3d8

120211031000 has 64 divisors (see below), whose sum is σ = 282522708000. Its totient is φ = 47874345600.

The previous prime is 120211030999. The next prime is 120211031009. The reversal of 120211031000 is 130112021.

It is a super-2 number, since 2×1202110310002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120211031009) 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, 33470 + ... + 491469.

Almost surely, 2120211031000 is an apocalyptic number.

120211031000 is a gapful number since it is divisible by the number (10) 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 120211031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141261354000).

120211031000 is an abundant number, since it is smaller than the sum of its proper divisors (162311677000).

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

120211031000 is a wasteful number, since it uses less digits than its factorization.

120211031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525189 (or 525175 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 120211031000 its reverse (130112021), we get a palindrome (120341143021).

The spelling of 120211031000 in words is "one hundred twenty billion, two hundred eleven million, thirty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 229 250 458 500 916 1000 1145 1832 2290 4580 5725 9160 11450 22900 28625 45800 57250 114500 229000 524939 1049878 2099756 2624695 4199512 5249390 10498780 13123475 20997560 26246950 52493900 65617375 104987800 120211031 131234750 240422062 262469500 480844124 524939000 601055155 961688248 1202110310 2404220620 3005275775 4808441240 6010551550 12021103100 15026378875 24042206200 30052757750 60105515500 120211031000