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30322130220 = 22335284319751
BaseRepresentation
bin11100001111010101…
…101111110100101100
32220021012102210222000
4130033111233310230
5444044431131340
621532500252300
72122260566004
oct341725576454
986235383860
1030322130220
1111950063258
125a629a1090
132b23040ab5
14167913d004
15bc7059d30
hex70f56fd2c

30322130220 has 96 divisors (see below), whose sum is σ = 94373475840. Its totient is φ = 8082648000.

The previous prime is 30322130197. The next prime is 30322130243. The reversal of 30322130220 is 2203122303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30322130197) and next prime (30322130243).

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 = 30322130193 and 30322130202.

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, 1525345 + ... + 1545095.

It is an arithmetic number, because the mean of its divisors is an integer number (983057040).

Almost surely, 230322130220 is an apocalyptic number.

30322130220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30322130220 is an abundant number, since it is smaller than the sum of its proper divisors (64051345620).

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

30322130220 is a wasteful number, since it uses less digits than its factorization.

30322130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22612 (or 22604 counting only the distinct ones).

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

Adding to 30322130220 its reverse (2203122303), we get a palindrome (32525252523).

The spelling of 30322130220 in words is "thirty billion, three hundred twenty-two million, one hundred thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 2843 5686 8529 11372 14215 17058 19751 25587 28430 34116 39502 42645 51174 56860 59253 76761 79004 85290 98755 102348 118506 127935 153522 170580 177759 197510 237012 255870 296265 307044 355518 383805 395020 511740 533277 592530 711036 767610 888795 1066554 1185060 1535220 1777590 2133108 2666385 3555180 5332770 10665540 56152093 112304186 168456279 224608372 280760465 336912558 505368837 561520930 673825116 842281395 1010737674 1123041860 1516106511 1684562790 2021475348 2526844185 3032213022 3369125580 5053688370 6064426044 7580532555 10107376740 15161065110 30322130220