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30605440630 = 253978638933
BaseRepresentation
bin11100100000001110…
…011111011001110110
32220222221112110210011
4130200032133121312
51000134443100010
622020540450434
72132300644612
oct344016373166
986887473704
1030605440630
1111a85a78596
125b21849a1a
132b699471ab
1416a4a0a342
15be1d6da8a
hex72039f676

30605440630 has 32 divisors (see below), whose sum is σ = 55298744064. Its totient is φ = 12195824256.

The previous prime is 30605440583. The next prime is 30605440637. The reversal of 30605440630 is 3604450603.

It is a junction number, because it is equal to n+sod(n) for n = 30605440592 and 30605440601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30605440637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3421644 + ... + 3430576.

It is an arithmetic number, because the mean of its divisors is an integer number (1728085752).

Almost surely, 230605440630 is an apocalyptic number.

30605440630 is a deficient number, since it is larger than the sum of its proper divisors (24693303434).

30605440630 is a wasteful number, since it uses less digits than its factorization.

30605440630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 30605440630 in words is "thirty billion, six hundred five million, four hundred forty thousand, six hundred thirty".

Divisors: 1 2 5 10 397 794 863 1726 1985 3970 4315 8630 8933 17866 44665 89330 342611 685222 1713055 3426110 3546401 7092802 7709179 15418358 17732005 35464010 38545895 77091790 3060544063 6121088126 15302720315 30605440630