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30213200120 = 23541103383467
BaseRepresentation
bin11100001000110110…
…001101100011111000
32212222121110120221212
4130020312031203320
5443334034400440
621514005422252
72116465651355
oct341066154370
985877416855
1030213200120
11118a4622484
125a3240a988
132b065c170c
1416688a562c
15bbc6de465
hex708d8d8f8

30213200120 has 128 divisors (see below), whose sum is σ = 70648381440. Its totient is φ = 11620623360.

The previous prime is 30213200119. The next prime is 30213200159. The reversal of 30213200120 is 2100231203.

It is a happy number.

It is a super-2 number, since 2×302132001202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30213200095 and 30213200104.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 64696127 + ... + 64696593.

It is an arithmetic number, because the mean of its divisors is an integer number (551940480).

Almost surely, 230213200120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30213200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35324190720).

30213200120 is an abundant number, since it is smaller than the sum of its proper divisors (40435181320).

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

30213200120 is a wasteful number, since it uses less digits than its factorization.

30213200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30213200120 its reverse (2100231203), we get a palindrome (32313431323).

The spelling of 30213200120 in words is "thirty billion, two hundred thirteen million, two hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 82 103 164 205 206 328 383 410 412 467 515 766 820 824 934 1030 1532 1640 1868 1915 2060 2335 3064 3736 3830 4120 4223 4670 7660 8446 9340 15320 15703 16892 18680 19147 21115 31406 33784 38294 39449 42230 48101 62812 76588 78515 78898 84460 95735 96202 125624 153176 157030 157796 168920 178861 191470 192404 197245 240505 314060 315592 357722 382940 384808 394490 481010 628120 715444 765880 788980 894305 962020 1430888 1577960 1617409 1788610 1924040 1972141 3234818 3577220 3944282 6469636 7154440 7333301 7888564 8087045 9860705 12939272 14666602 15777128 16174090 18422683 19721410 29333204 32348180 36666505 36845366 39442820 58666408 64696360 73333010 73690732 78885640 92113415 146666020 147381464 184226830 293332040 368453660 736907320 755330003 1510660006 3021320012 3776650015 6042640024 7553300030 15106600060 30213200120