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30818566483120 = 2451329633237003
BaseRepresentation
bin1110000000111100000011…
…01101010010110010110000
311001010020002212221120020201
413000132001231102302300
513014412411004424440
6145313504243444544
76330365543605513
oct700360155226260
9131106085846221
1030818566483120
119902098383379
123558a17686754
131427241aab0c0
147878ab47cd7a
153869dd07119a
hex1c0781b52cb0

30818566483120 has 40 divisors (see below), whose sum is σ = 77164949158416. Its totient is φ = 11379163008768.

The previous prime is 30818566483037. The next prime is 30818566483121. The reversal of 30818566483120 is 2138466581803.

It is a happy number.

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

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30818566483121) 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 7 ways as a sum of consecutive naturals, for example, 14816617462 + ... + 14816619541.

Almost surely, 230818566483120 is an apocalyptic number.

It is an amenable number.

30818566483120 is an abundant number, since it is smaller than the sum of its proper divisors (46346382675296).

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

30818566483120 is a wasteful number, since it uses less digits than its factorization.

30818566483120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29633237029 (or 29633237023 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 30818566483120 in words is "thirty trillion, eight hundred eighteen billion, five hundred sixty-six million, four hundred eighty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 29633237003 59266474006 118532948012 148166185015 237065896024 296332370030 385232081039 474131792048 592664740060 770464162078 1185329480120 1540928324156 1926160405195 2370658960240 3081856648312 3852320810390 6163713296624 7704641620780 15409283241560 30818566483120