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30551323342220 = 2258933767508297
BaseRepresentation
bin1101111001001010010001…
…10001100111010110001100
311000011200022020211101121022
412330211020301213112030
513001023102233422340
6144551030103453312
76302155162441112
oct674451061472614
9130150266741538
1030551323342220
11980981a61215a
123515074457238
131407c92548475
14778998979ab2
1537ea9b5533b5
hex1bc948c6758c

30551323342220 has 48 divisors (see below), whose sum is σ = 64880701945920. Its totient is φ = 12082838406144.

The previous prime is 30551323342201. The next prime is 30551323342229. The reversal of 30551323342220 is 2224332315503.

It is not an unprimeable number, because it can be changed into a prime (30551323342229) 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, 59851112 + ... + 60359408.

It is an arithmetic number, because the mean of its divisors is an integer number (1351681290540).

Almost surely, 230551323342220 is an apocalyptic number.

It is an amenable number.

30551323342220 is an abundant number, since it is smaller than the sum of its proper divisors (34329378603700).

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

30551323342220 is a wasteful number, since it uses less digits than its factorization.

30551323342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542162 (or 542160 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 30551323342220 its reverse (2224332315503), we get a palindrome (32775655657723).

The spelling of 30551323342220 in words is "thirty trillion, five hundred fifty-one billion, three hundred twenty-three million, three hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 33767 67534 135068 168835 337670 508297 675340 1016594 2033188 2541485 3005263 5082970 6010526 10165940 12021052 15026315 30052630 45238433 60105260 90476866 180953732 226192165 452384330 904768660 17163664799 34327329598 68654659196 85818323995 171636647990 343273295980 1527566167111 3055132334222 6110264668444 7637830835555 15275661671110 30551323342220