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30003120031332 = 22372291759507391
BaseRepresentation
bin1101101001001101001010…
…10011111100011001100100
310221020021022000120202212010
412310212211103330121210
512413032342212000312
6143451124300154220
76214440166253400
oct664464523743144
9127207260522763
1030003120031332
119618285094848
123446980238970
13139838895ba36
1475a2318ba100
153706b3b7c93c
hex1b49a54fc664

30003120031332 has 72 divisors (see below), whose sum is σ = 84245213928960. Its totient is φ = 8276722762560.

The previous prime is 30003120031327. The next prime is 30003120031373. The reversal of 30003120031332 is 23313002130003.

It is a super-2 number, since 2×300031200313322 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30003120031299 and 30003120031308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879736644 + ... + 879770747.

It is an arithmetic number, because the mean of its divisors is an integer number (1170072415680).

Almost surely, 230003120031332 is an apocalyptic number.

It is an amenable number.

30003120031332 is an abundant number, since it is smaller than the sum of its proper divisors (54242093897628).

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

30003120031332 is a wasteful number, since it uses less digits than its factorization.

30003120031332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759507441 (or 1759507432 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30003120031332 its reverse (23313002130003), we get a palindrome (53316122161335).

The spelling of 30003120031332 in words is "thirty trillion, three billion, one hundred twenty million, thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 147 174 196 203 294 348 406 588 609 812 1218 1421 2436 2842 4263 5684 8526 17052 1759507391 3519014782 5278522173 7038029564 10557044346 12316551737 21114088692 24633103474 36949655211 49266206948 51025714339 73899310422 86215862159 102051428678 147798620844 153077143017 172431724318 204102857356 258647586477 306154286034 344863448636 357180000373 517295172954 612308572068 714360000746 1034590345908 1071540001119 1428720001492 2143080002238 2500260002611 4286160004476 5000520005222 7500780007833 10001040010444 15001560015666 30003120031332