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30124523220 = 22351145643217
BaseRepresentation
bin11100000011100011…
…111011111011010100
32212202102121100010020
4130003203323323110
5443143334220340
621501121025140
72114341136211
oct340343737324
985672540106
1030124523220
1111859565190
125a087851b0
132ac1113a8c
14165abc0b08
15bb4a249d0
hex7038fbed4

30124523220 has 48 divisors (see below), whose sum is σ = 92016727488. Its totient is φ = 7302914560.

The previous prime is 30124523159. The next prime is 30124523269. The reversal of 30124523220 is 2232542103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22820949 + ... + 22822268.

It is an arithmetic number, because the mean of its divisors is an integer number (1917015156).

Almost surely, 230124523220 is an apocalyptic number.

30124523220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30124523220 is an abundant number, since it is smaller than the sum of its proper divisors (61892204268).

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

30124523220 is a wasteful number, since it uses less digits than its factorization.

30124523220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45643240 (or 45643238 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 30124523220 in words is "thirty billion, one hundred twenty-four million, five hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 45643217 91286434 136929651 182572868 228216085 273859302 456432170 502075387 547718604 684648255 912864340 1004150774 1369296510 1506226161 2008301548 2510376935 2738593020 3012452322 5020753870 6024904644 7531130805 10041507740 15062261610 30124523220