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30323673072 = 24327112734819
BaseRepresentation
bin11100001111011011…
…101000011111110000
32220021022100012100200
4130033123220133300
5444100330014242
621532553315200
72122306653060
oct341733503760
986238305320
1030323673072
1111950a17440
125a63405b00
132b23461124
1416794213a0
15bc726204c
hex70f6e87f0

30323673072 has 120 divisors (see below), whose sum is σ = 105804716160. Its totient is φ = 7876275840.

The previous prime is 30323673059. The next prime is 30323673073. The reversal of 30323673072 is 27037632303.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30323673073) 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, 1356322 + ... + 1378497.

It is an arithmetic number, because the mean of its divisors is an integer number (881705968).

Almost surely, 230323673072 is an apocalyptic number.

It is an amenable number.

30323673072 is an abundant number, since it is smaller than the sum of its proper divisors (75481043088).

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

30323673072 is a wasteful number, since it uses less digits than its factorization.

30323673072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734851 (or 2734842 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 36.

The spelling of 30323673072 in words is "thirty billion, three hundred twenty-three million, six hundred seventy-three thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 28 33 36 42 44 48 56 63 66 72 77 84 88 99 112 126 132 144 154 168 176 198 231 252 264 308 336 396 462 504 528 616 693 792 924 1008 1232 1386 1584 1848 2772 3696 5544 11088 2734819 5469638 8204457 10939276 16408914 19143733 21878552 24613371 30083009 32817828 38287466 43757104 49226742 57431199 60166018 65635656 76574932 90249027 98453484 114862398 120332036 131271312 153149864 172293597 180498054 196906968 210581063 229724796 240664072 270747081 306299728 344587194 360996108 393813936 421162126 459449592 481328144 541494162 631743189 689174388 721992216 842324252 918899184 1082988324 1263486378 1378348776 1443984432 1684648504 1895229567 2165976648 2526972756 2756697552 3369297008 3790459134 4331953296 5053945512 7580918268 10107891024 15161836536 30323673072