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30066602250 = 23531913715401
BaseRepresentation
bin11100000000000110…
…111111000100001010
32212121101121122111010
4130000012333010022
5443034022233000
621451251344350
72113035621336
oct340006770412
985541548433
1030066602250
11118298a4313
1259b12b20b6
132ab2114209
1416532247c6
15bae8d2d50
hex7001bf10a

30066602250 has 128 divisors (see below), whose sum is σ = 79577821440. Its totient is φ = 7539840000.

The previous prime is 30066602239. The next prime is 30066602257. The reversal of 30066602250 is 5220666003.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (30066602257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1944550 + ... + 1959950.

It is an arithmetic number, because the mean of its divisors is an integer number (621701730).

Almost surely, 230066602250 is an apocalyptic number.

30066602250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30066602250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39788910720).

30066602250 is an abundant number, since it is smaller than the sum of its proper divisors (49511219190).

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

30066602250 is a wasteful number, since it uses less digits than its factorization.

30066602250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15577 (or 15567 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 30066602250 in words is "thirty billion, sixty-six million, six hundred two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 125 137 150 190 250 274 285 375 411 475 570 685 750 822 950 1370 1425 2055 2375 2603 2850 3425 4110 4750 5206 6850 7125 7809 10275 13015 14250 15401 15618 17125 20550 26030 30802 34250 39045 46203 51375 65075 77005 78090 92406 102750 130150 154010 195225 231015 292619 325375 385025 390450 462030 585238 650750 770050 877857 976125 1155075 1463095 1755714 1925125 1952250 2109937 2310150 2926190 3850250 4219874 4389285 5775375 6329811 7315475 8778570 10549685 11550750 12659622 14630950 21099370 21946425 31649055 36577375 40088803 43892850 52748425 63298110 73154750 80177606 105496850 109732125 120266409 158245275 200444015 219464250 240532818 263742125 316490550 400888030 527484250 601332045 791226375 1002220075 1202664090 1582452750 2004440150 3006660225 5011100375 6013320450 10022200750 15033301125 30066602250