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30302525220 = 223511113406309
BaseRepresentation
bin11100001110001010…
…111101011100100100
32220012211112202221220
4130032022331130210
5444024421301340
621530520140340
72121632133402
oct341612753444
986184482856
1030302525220
111193aa92780
125a583076b0
132b1bc683c6
1416766b8472
15bc5485ed0
hex70e2bd724

30302525220 has 96 divisors (see below), whose sum is σ = 93379789440. Its totient is φ = 7281039360.

The previous prime is 30302525207. The next prime is 30302525237. The reversal of 30302525220 is 2252520303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128575 + ... + 277734.

It is an arithmetic number, because the mean of its divisors is an integer number (972706140).

Almost surely, 230302525220 is an apocalyptic number.

30302525220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30302525220 is an abundant number, since it is smaller than the sum of its proper divisors (63077264220).

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

30302525220 is a wasteful number, since it uses less digits than its factorization.

30302525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406445 (or 406443 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The spelling of 30302525220 in words is "thirty billion, three hundred two million, five hundred twenty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 113 132 165 220 226 330 339 452 565 660 678 1130 1243 1356 1695 2260 2486 3390 3729 4972 6215 6780 7458 12430 14916 18645 24860 37290 74580 406309 812618 1218927 1625236 2031545 2437854 4063090 4469399 4875708 6094635 8126180 8938798 12189270 13408197 17877596 22346995 24378540 26816394 44693990 45912917 53632788 67040985 89387980 91825834 134081970 137738751 183651668 229564585 268163940 275477502 459129170 505042087 550955004 688693755 918258340 1010084174 1377387510 1515126261 2020168348 2525210435 2754775020 3030252522 5050420870 6060505044 7575631305 10100841740 15151262610 30302525220