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30151220404 = 227537805101
BaseRepresentation
bin11100000101001001…
…110001110010110100
32212211021211200202211
4130011021301302310
5443222203023104
621503513143204
72115114100444
oct340511616264
985737750684
1030151220404
111187263a178
125a156bab04
132ac6800626
141660570124
15bb7049e04
hex705271cb4

30151220404 has 6 divisors (see below), whose sum is σ = 52764635714. Its totient is φ = 15075610200.

The previous prime is 30151220399. The next prime is 30151220419. The reversal of 30151220404 is 40402215103.

It can be written as a sum of positive squares in only one way, i.e., 18090788004 + 12060432400 = 134502^2 + 109820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3768902547 + ... + 3768902554.

Almost surely, 230151220404 is an apocalyptic number.

It is an amenable number.

30151220404 is a deficient number, since it is larger than the sum of its proper divisors (22613415310).

30151220404 is a wasteful number, since it uses less digits than its factorization.

30151220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7537805105 (or 7537805103 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 30151220404 its reverse (40402215103), we get a palindrome (70553435507).

The spelling of 30151220404 in words is "thirty billion, one hundred fifty-one million, two hundred twenty thousand, four hundred four".

Divisors: 1 2 4 7537805101 15075610202 30151220404