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30003111333220 = 2251500155566661
BaseRepresentation
bin1101101001001101001001…
…10010110000110101100100
310221020021021102012212021211
412310212210302300311210
512413032333000130340
6143451123345521204
76214440032315434
oct664464462606544
9127207242185254
1030003111333220
119618280193823
123446979343204
131398386c0491c
1475a2306942c4
153706b30105ea
hex1b49a4cb0d64

30003111333220 has 12 divisors (see below), whose sum is σ = 63006533799804. Its totient is φ = 12001244533280.

The previous prime is 30003111333203. The next prime is 30003111333233. The reversal of 30003111333220 is 2233311130003.

It can be written as a sum of positive squares in 2 ways, for example, as 23885759937636 + 6117351395584 = 4887306^2 + 2473328^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30003111333191 and 30003111333200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750077783311 + ... + 750077783350.

It is an arithmetic number, because the mean of its divisors is an integer number (5250544483317).

Almost surely, 230003111333220 is an apocalyptic number.

It is an amenable number.

30003111333220 is an abundant number, since it is smaller than the sum of its proper divisors (33003422466584).

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

30003111333220 is a wasteful number, since it uses less digits than its factorization.

30003111333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500155566670 (or 1500155566668 counting only the distinct ones).

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

Adding to 30003111333220 its reverse (2233311130003), we get a palindrome (32236422463223).

The spelling of 30003111333220 in words is "thirty trillion, three billion, one hundred eleven million, three hundred thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1500155566661 3000311133322 6000622266644 7500777833305 15001555666610 30003111333220