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30133012313020 = 22517186747470009
BaseRepresentation
bin1101101100111111000110…
…11111101011001110111100
310221200200120102211100201211
412312133203133223032330
512422144402123004040
6144030525330414204
76230016064401241
oct666374337531674
9127620512740654
1030133012313020
11966837a980581
123467b90a31364
1313a76b9419906
147626349455c8
15373c673148ea
hex1b67e37eb3bc

30133012313020 has 48 divisors (see below), whose sum is σ = 67037527882080. Its totient is φ = 11338116470784.

The previous prime is 30133012312937. The next prime is 30133012313021. The reversal of 30133012313020 is 2031321033103.

It is a super-2 number, since 2×301330123130202 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30133012312982 and 30133012313000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133012313021) 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, 23100225 + ... + 24369784.

It is an arithmetic number, because the mean of its divisors is an integer number (1396615164210).

Almost surely, 230133012313020 is an apocalyptic number.

It is an amenable number.

30133012313020 is an abundant number, since it is smaller than the sum of its proper divisors (36904515569060).

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

30133012313020 is a wasteful number, since it uses less digits than its factorization.

30133012313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47471902 (or 47471900 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30133012313020 its reverse (2031321033103), we get a palindrome (32164333346123).

The spelling of 30133012313020 in words is "thirty trillion, one hundred thirty-three billion, twelve million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1867 3734 7468 9335 18670 31739 37340 63478 126956 158695 317390 634780 47470009 94940018 189880036 237350045 474700090 806990153 949400180 1613980306 3227960612 4034950765 8069901530 16139803060 88626506803 177253013606 354506027212 443132534015 886265068030 1506650615651 1772530136060 3013301231302 6026602462604 7533253078255 15066506156510 30133012313020