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30212044425 = 32521132295189
BaseRepresentation
bin11100001000110001…
…110011011010001001
32212222112021212122100
4130020301303122021
5443333240410200
621513524544013
72116453066113
oct341061633211
985875255570
1030212044425
11118a3a03162
125a31b52009
132b062a8684
1416686843b3
15bbc561d00
hex708c73689

30212044425 has 72 divisors (see below), whose sum is σ = 54840965400. Its totient is φ = 15897692160.

The previous prime is 30212044399. The next prime is 30212044441. The reversal of 30212044425 is 52444021203.

30212044425 is a `hidden beast` number, since 3 + 0 + 212 + 0 + 4 + 442 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 5624550009 + 24587494416 = 74997^2 + 156804^2 .

It is not a de Polignac number, because 30212044425 - 213 = 30212036233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5819731 + ... + 5824919.

It is an arithmetic number, because the mean of its divisors is an integer number (761680075).

Almost surely, 230212044425 is an apocalyptic number.

It is an amenable number.

30212044425 is a deficient number, since it is larger than the sum of its proper divisors (24628920975).

30212044425 is a wasteful number, since it uses less digits than its factorization.

30212044425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547 (or 5539 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 30212044425 its reverse (52444021203), we get a palindrome (82656065628).

The spelling of 30212044425 in words is "thirty billion, two hundred twelve million, forty-four thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 113 225 229 339 565 687 1017 1145 1695 2061 2825 3435 5085 5189 5725 8475 10305 15567 17175 25425 25877 25945 46701 51525 77631 77835 129385 129725 232893 233505 388155 389175 586357 646925 1164465 1167525 1188281 1759071 1940775 2931785 3564843 5277213 5822325 5941405 8795355 10694529 14658925 17824215 26386065 29707025 43976775 53472645 89121075 131930325 134275753 267363225 402827259 671378765 1208481777 2014136295 3356893825 6042408885 10070681475 30212044425