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30211032312320 = 295101009116833
BaseRepresentation
bin1101101111010000011011…
…10110010110101000000000
310221222010221210012222101112
412313220031312112220000
512424434143232443240
6144130431234022452
76235450354425116
oct667501566265000
9127863853188345
1030211032312320
11969847715a842
12347b125717a28
1313b1b7128a382
1476631674dab6
15375cd1a71665
hex1b7a0dd96a00

30211032312320 has 80 divisors (see below), whose sum is σ = 72437007562920. Its totient is φ = 12084189855744.

The previous prime is 30211032312301. The next prime is 30211032312343. The reversal of 30211032312320 is 2321323011203.

It can be written as a sum of positive squares in 4 ways, for example, as 8562037801216 + 21648994511104 = 2926096^2 + 4652848^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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, 258524624 + ... + 258641456.

Almost surely, 230211032312320 is an apocalyptic number.

It is an amenable number.

30211032312320 is an abundant number, since it is smaller than the sum of its proper divisors (42225975250600).

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

30211032312320 is a wasteful number, since it uses less digits than its factorization.

30211032312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217865 (or 217849 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30211032312320 its reverse (2321323011203), we get a palindrome (32532355323523).

The spelling of 30211032312320 in words is "thirty trillion, two hundred eleven billion, thirty-two million, three hundred twelve thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 101009 116833 202018 233666 404036 467332 505045 584165 808072 934664 1010090 1168330 1616144 1869328 2020180 2336660 3232288 3738656 4040360 4673320 6464576 7477312 8080720 9346640 12929152 14954624 16161440 18693280 25858304 29909248 32322880 37386560 51716608 59818496 64645760 74773120 129291520 149546240 258583040 299092480 11801184497 23602368994 47204737988 59005922485 94409475976 118011844970 188818951952 236023689940 377637903904 472047379880 755275807808 944094759760 1510551615616 1888189519520 3021103231232 3776379039040 6042206462464 7552758078080 15105516156160 30211032312320