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30232200120 = 2335296385027
BaseRepresentation
bin11100001001111110…
…101100001110111000
32220000221012220001120
4130021332230032320
5443403420400440
621515524545240
72120116314063
oct341176541670
986027186046
1030232200120
111190431a461
125a38852220
132b0a514915
14166b20d8da
15bbe1e3dd0
hex709fac3b8

30232200120 has 64 divisors (see below), whose sum is σ = 90728277120. Its totient is φ = 8059104384.

The previous prime is 30232200107. The next prime is 30232200127. The reversal of 30232200120 is 2100223203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30232200120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232200127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313047 + ... + 398073.

It is an arithmetic number, because the mean of its divisors is an integer number (1417629330).

Almost surely, 230232200120 is an apocalyptic number.

30232200120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30232200120 is an abundant number, since it is smaller than the sum of its proper divisors (60496077000).

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

30232200120 is a wasteful number, since it uses less digits than its factorization.

30232200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88004 (or 88000 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30232200120 its reverse (2100223203), we get a palindrome (32332423323).

The spelling of 30232200120 in words is "thirty billion, two hundred thirty-two million, two hundred thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2963 5926 8889 11852 14815 17778 23704 29630 35556 44445 59260 71112 85027 88890 118520 170054 177780 255081 340108 355560 425135 510162 680216 850270 1020324 1275405 1700540 2040648 2550810 3401080 5101620 10203240 251935001 503870002 755805003 1007740004 1259675005 1511610006 2015480008 2519350010 3023220012 3779025015 5038700020 6046440024 7558050030 10077400040 15116100060 30232200120