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30231120340120 = 2357107968286929
BaseRepresentation
bin1101101111110101110110…
…01100000110010010011000
310222001001210202101112002011
412313322323030012102120
512430301313301340440
6144143552430115304
76240061226021620
oct667727314062230
9128031722345064
1030231120340120
1196a5a45343407
123482bb104bb34
1313b3a22c7635b
147672a05cb880
153765aa3c99ea
hex1b7ebb306498

30231120340120 has 32 divisors (see below), whose sum is σ = 77737166589600. Its totient is φ = 10364955545088.

The previous prime is 30231120340087. The next prime is 30231120340129. The reversal of 30231120340120 is 2104302113203.

It is a super-2 number, since 2×302311203401202 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231120340091 and 30231120340100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231120340129) 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, 53984143185 + ... + 53984143744.

It is an arithmetic number, because the mean of its divisors is an integer number (2429286455925).

Almost surely, 230231120340120 is an apocalyptic number.

It is an amenable number.

30231120340120 is an abundant number, since it is smaller than the sum of its proper divisors (47506046249480).

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

30231120340120 is a wasteful number, since it uses less digits than its factorization.

30231120340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107968286947 (or 107968286943 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30231120340120 its reverse (2104302113203), we get a palindrome (32335422453323).

The spelling of 30231120340120 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty million, three hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 107968286929 215936573858 431873147716 539841434645 755778008503 863746295432 1079682869290 1511556017006 2159365738580 3023112034012 3778890042515 4318731477160 6046224068024 7557780085030 15115560170060 30231120340120