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30660304542 = 23717311385213
BaseRepresentation
bin11100100011011111…
…110001111010011110
32221010202202211220220
4130203133301322132
51000243014221132
622030220422210
72133535200660
oct344337617236
987122684826
1030660304542
1112003a4066a
125b380a7966
132b7811644a
1416ac00c530
15be6aa9a2c
hex7237f1e9e

30660304542 has 64 divisors (see below), whose sum is σ = 76596793344. Its totient is φ = 7978821120.

The previous prime is 30660304517. The next prime is 30660304603. The reversal of 30660304542 is 24540306603.

It is a congruent number.

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, 670473 + ... + 714740.

It is an arithmetic number, because the mean of its divisors is an integer number (1196824896).

Almost surely, 230660304542 is an apocalyptic number.

30660304542 is an abundant number, since it is smaller than the sum of its proper divisors (45936488802).

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

30660304542 is a wasteful number, since it uses less digits than its factorization.

30660304542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385273.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 30660304542 in words is "thirty billion, six hundred sixty million, three hundred four thousand, five hundred forty-two".

Divisors: 1 2 3 6 7 14 17 21 31 34 42 51 62 93 102 119 186 217 238 357 434 527 651 714 1054 1302 1581 3162 3689 7378 11067 22134 1385213 2770426 4155639 8311278 9696491 19392982 23548621 29089473 42941603 47097242 58178946 70645863 85883206 128824809 141291726 164840347 257649618 300591221 329680694 494521041 601182442 730007251 901773663 989042082 1460014502 1803547326 2190021753 4380043506 5110050757 10220101514 15330152271 30660304542