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230120122000 = 2453413927799
BaseRepresentation
bin1101011001010000111…
…0100110011010010000
3210222222110121102021111
43112110032212122100
512232241222401000
6253414332503104
722424406522526
oct3262416463220
9728873542244
10230120122000
118965889a70a
123872291aa94
1318914551882
14b1d0478316
155ebc8c9cba
hex35943a6690

230120122000 has 80 divisors (see below), whose sum is σ = 556584912000. Its totient is φ = 92022499200.

The previous prime is 230120121991. The next prime is 230120122003. The reversal of 230120122000 is 221021032.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (230120122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8264101 + ... + 8291899.

It is an arithmetic number, because the mean of its divisors is an integer number (6957311400).

Almost surely, 2230120122000 is an apocalyptic number.

230120122000 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 230120122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278292456000).

230120122000 is an abundant number, since it is smaller than the sum of its proper divisors (326464790000).

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

230120122000 is a wasteful number, since it uses less digits than its factorization.

230120122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31961 (or 31945 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 230120122000 its reverse (221021032), we get a palindrome (230341143032).

The spelling of 230120122000 in words is "two hundred thirty billion, one hundred twenty million, one hundred twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 4139 8278 16556 20695 27799 33112 41390 55598 66224 82780 103475 111196 138995 165560 206950 222392 277990 331120 413900 444784 517375 555980 694975 827800 1034750 1111960 1389950 1655600 2069500 2223920 2779900 3474875 4139000 5559800 6949750 8278000 11119600 13899500 27799000 55598000 115060061 230120122 460240244 575300305 920480488 1150600610 1840960976 2301201220 2876501525 4602402440 5753003050 9204804880 11506006100 14382507625 23012012200 28765015250 46024024400 57530030500 115060061000 230120122000