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30012032130320 = 2453112101625859
BaseRepresentation
bin1101101001011101110001…
…00000111001110100010000
310221021010022010021022100102
412310232320200321310100
512413204120211132240
6143455200501311532
76215204063663312
oct664567040716420
9127233263238312
1030012032130320
1196210387a8709
123448648a055a8
1313991791435a6
1475a83936d7b2
15370a36294815
hex1b4bb8839d10

30012032130320 has 40 divisors (see below), whose sum is σ = 72028877118720. Its totient is φ = 11617560823680.

The previous prime is 30012032130253. The next prime is 30012032130331. The reversal of 30012032130320 is 2303123021003.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30012032130292 and 30012032130301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6050810450 + ... + 6050815409.

It is an arithmetic number, because the mean of its divisors is an integer number (1800721927968).

Almost surely, 230012032130320 is an apocalyptic number.

It is an amenable number.

30012032130320 is an abundant number, since it is smaller than the sum of its proper divisors (42016844988400).

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

30012032130320 is a wasteful number, since it uses less digits than its factorization.

30012032130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101625903 (or 12101625897 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30012032130320 its reverse (2303123021003), we get a palindrome (32315155151323).

The spelling of 30012032130320 in words is "thirty trillion, twelve billion, thirty-two million, one hundred thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 12101625859 24203251718 48406503436 60508129295 96813006872 121016258590 193626013744 242032517180 375150401629 484065034360 750300803258 968130068720 1500601606516 1875752008145 3001203213032 3751504016290 6002406426064 7503008032580 15006016065160 30012032130320