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30003412120 = 23511115359141
BaseRepresentation
bin11011111100010101…
…111011110010011000
32212102222201020220221
4123330111323302120
5442421333141440
621441113125424
72111340536503
oct337425736230
985388636827
1030003412120
11117a7164670
1259940b9874
132aa1cbb1c6
141648a9613a
15ba909ed4a
hex6fc57bc98

30003412120 has 64 divisors (see below), whose sum is σ = 73709857440. Its totient is φ = 10900684800.

The previous prime is 30003412111. The next prime is 30003412121. The reversal of 30003412120 is 2121430003.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30003412094 and 30003412103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30003412121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 477750 + ... + 536890.

Almost surely, 230003412120 is an apocalyptic number.

It is an amenable number.

30003412120 is an abundant number, since it is smaller than the sum of its proper divisors (43706445320).

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

30003412120 is a wasteful number, since it uses less digits than its factorization.

30003412120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60316 (or 60312 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30003412120 its reverse (2121430003), we get a palindrome (32124842123).

The spelling of 30003412120 in words is "thirty billion, three million, four hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 1153 2306 4612 5765 9224 11530 12683 23060 25366 46120 50732 59141 63415 101464 118282 126830 236564 253660 295705 473128 507320 591410 650551 1182820 1301102 2365640 2602204 3252755 5204408 6505510 13011020 26022040 68189573 136379146 272758292 340947865 545516584 681895730 750085303 1363791460 1500170606 2727582920 3000341212 3750426515 6000682424 7500853030 15001706060 30003412120