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30330120330020 = 22571695671277629
BaseRepresentation
bin1101110010101110010000…
…00011000101101100100100
310222101112100020100002100202
412321113020003011230210
512433412041301030040
6144301244231330032
76250164441035030
oct671271003055444
9128345306302322
1030330120330020
119733a28249085
12349a21bb20918
1313c016c544134
1476bdb28db1c0
15378e51930015
hex1b95c80c5b24

30330120330020 has 48 divisors (see below), whose sum is σ = 72792775050240. Its totient is φ = 10398828933504.

The previous prime is 30330120329987. The next prime is 30330120330061. The reversal of 30330120330020 is 2003302103303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30330120329974 and 30330120330001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23100566 + ... + 24378194.

It is an arithmetic number, because the mean of its divisors is an integer number (1516516146880).

Almost surely, 230330120330020 is an apocalyptic number.

It is an amenable number.

30330120330020 is an abundant number, since it is smaller than the sum of its proper divisors (42462654720220).

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

30330120330020 is a wasteful number, since it uses less digits than its factorization.

30330120330020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447212 (or 1447210 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30330120330020 its reverse (2003302103303), we get a palindrome (32333422433323).

The spelling of 30330120330020 in words is "thirty trillion, three hundred thirty billion, one hundred twenty million, three hundred thirty thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 169567 339134 678268 847835 1186969 1277629 1695670 2373938 2555258 3391340 4747876 5110516 5934845 6388145 8943403 11869690 12776290 17886806 23739380 25552580 35773612 44717015 89434030 178868060 216643716643 433287433286 866574866572 1083218583215 1516506016501 2166437166430 3033012033002 4332874332860 6066024066004 7582530082505 15165060165010 30330120330020