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30240509066320 = 245754000909047
BaseRepresentation
bin1101110000000111010101…
…10011001111110001010000
310222001222001001221020012011
412320003222303033301100
512430430030310110240
6144152144215112304
76240543001621330
oct670035263176120
9128058031836164
1030240509066320
1196a9a22aaa363
123484991372694
1313b488b11b647
147679114b10c0
1537695978e6ea
hex1b80eaccfc50

30240509066320 has 40 divisors (see below), whose sum is σ = 80353352663424. Its totient is φ = 10368174536832.

The previous prime is 30240509066281. The next prime is 30240509066323. The reversal of 30240509066320 is 2366090504203.

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 (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240509066323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27000453964 + ... + 27000455083.

Almost surely, 230240509066320 is an apocalyptic number.

It is an amenable number.

30240509066320 is an abundant number, since it is smaller than the sum of its proper divisors (50112843597104).

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

30240509066320 is a wasteful number, since it uses less digits than its factorization.

30240509066320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54000909067 (or 54000909061 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 30240509066320 in words is "thirty trillion, two hundred forty billion, five hundred nine million, sixty-six thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 54000909047 108001818094 216003636188 270004545235 378006363329 432007272376 540009090470 756012726658 864014544752 1080018180940 1512025453316 1890031816645 2160036361880 3024050906632 3780063633290 4320072723760 6048101813264 7560127266580 15120254533160 30240509066320