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30302112130 = 254728915413
BaseRepresentation
bin11100001110001001…
…011000100110000010
32220012210202210022021
4130032021120212002
5444024320042010
621530503232054
72121625463143
oct341611304602
986183683267
1030302112130
111193a830384
125a5814862a
132b1bb52384
14167660baca
15bc54038da
hex70e258982

30302112130 has 48 divisors (see below), whose sum is σ = 56358824760. Its totient is φ = 11728901888.

The previous prime is 30302112101. The next prime is 30302112131. The reversal of 30302112130 is 3121120303.

It can be written as a sum of positive squares in 4 ways, for example, as 25191720961 + 5110391169 = 158719^2 + 71487^2 .

It is not an unprimeable number, because it can be changed into a prime (30302112131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1958304 + ... + 1973716.

Almost surely, 230302112130 is an apocalyptic number.

30302112130 is a deficient number, since it is larger than the sum of its proper divisors (26056712630).

30302112130 is a wasteful number, since it uses less digits than its factorization.

30302112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15603 (or 15556 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30302112130 its reverse (3121120303), we get a palindrome (33423232433).

The spelling of 30302112130 in words is "thirty billion, three hundred two million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 47 89 94 178 235 445 470 890 2209 4183 4418 8366 11045 15413 20915 22090 30826 41830 77065 154130 196601 393202 724411 983005 1371757 1448822 1966010 2743514 3622055 6858785 7244110 13717570 34047317 64472579 68094634 128945158 170236585 322362895 340473170 644725790 3030211213 6060422426 15151056065 30302112130