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30230232120 = 23325117633897
BaseRepresentation
bin11100001001110111…
…001011110000111000
32220000210111220110200
4130021313023300320
5443402414411440
621515414442200
72120063506344
oct341167136070
986023456420
1030230232120
11119031a5910
125a38063360
132b09ca5c1a
14166ac5a624
15bbde55c30
hex709dcbc38

30230232120 has 96 divisors (see below), whose sum is σ = 107179927920. Its totient is φ = 7328540160.

The previous prime is 30230232083. The next prime is 30230232139. The reversal of 30230232120 is 2123203203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30230232093 and 30230232102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3812989 + ... + 3820908.

Almost surely, 230230232120 is an apocalyptic number.

30230232120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30230232120 is an abundant number, since it is smaller than the sum of its proper divisors (76949695800).

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

30230232120 is a wasteful number, since it uses less digits than its factorization.

30230232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633925 (or 7633918 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30230232120 its reverse (2123203203), we get a palindrome (32353435323).

The spelling of 30230232120 in words is "thirty billion, two hundred thirty million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 30 33 36 40 44 45 55 60 66 72 88 90 99 110 120 132 165 180 198 220 264 330 360 396 440 495 660 792 990 1320 1980 3960 7633897 15267794 22901691 30535588 38169485 45803382 61071176 68705073 76338970 83972867 91606764 114508455 137410146 152677940 167945734 183213528 229016910 251918601 274820292 305355880 335891468 343525365 419864335 458033820 503837202 549640584 671782936 687050730 755755803 839728670 916067640 1007674404 1259593005 1374101460 1511511606 1679457340 2015348808 2519186010 2748202920 3023023212 3358914680 3778779015 5038372020 6046046424 7557558030 10076744040 15115116060 30230232120