Search a number
-
+
30000220404 = 22372116836791
BaseRepresentation
bin11011111100001001…
…110000100011110100
32212102202201002201020
4123330021300203310
5442420024023104
621440520501140
72111301444300
oct337411604364
985382632636
1030000220404
11117a5384690
12599301a7b0
132aa144150b
1416484a4d00
15ba8b6e2d9
hex6fc2708f4

30000220404 has 144 divisors (see below), whose sum is σ = 88974982656. Its totient is φ = 7779710400.

The previous prime is 30000220391. The next prime is 30000220409. The reversal of 30000220404 is 40402200003.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30000220409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4414249 + ... + 4421039.

It is an arithmetic number, because the mean of its divisors is an integer number (617881824).

Almost surely, 230000220404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30000220404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44487491328).

30000220404 is an abundant number, since it is smaller than the sum of its proper divisors (58974762252).

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

30000220404 is a wasteful number, since it uses less digits than its factorization.

30000220404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 30000220404 its reverse (40402200003), we get a palindrome (70402420407).

The spelling of 30000220404 in words is "thirty billion, two hundred twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 49 66 77 84 98 132 147 154 196 231 294 308 462 539 588 683 924 1078 1366 1617 2049 2156 2732 3234 4098 4781 6468 6791 7513 8196 9562 13582 14343 15026 19124 20373 22539 27164 28686 30052 33467 40746 45078 47537 52591 57372 66934 74701 81492 90156 95074 100401 105182 133868 142611 149402 157773 190148 200802 210364 224103 285222 298804 315546 332759 368137 401604 448206 522907 570444 631092 665518 736274 896412 998277 1045814 1104411 1331036 1472548 1568721 1996554 2091628 2208822 3137442 3660349 3993108 4417644 4638253 6274884 7320698 9276506 10981047 13914759 14641396 18553012 21962094 27829518 32467771 43924188 51020783 55659036 64935542 97403313 102041566 129871084 153062349 194806626 204083132 227274397 306124698 357145481 389613252 454548794 612249396 681823191 714290962 909097588 1071436443 1363646382 1428581924 2142872886 2500018367 2727292764 4285745772 5000036734 7500055101 10000073468 15000110202 30000220404