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30550211221045 = 56340139637093
BaseRepresentation
bin1101111001001000001100…
…11111001101011000110101
311000011120102202011210011011
412330210012133031120311
513001013313033033140
6144550323455112221
76302115466532245
oct674440637153065
9130146382153134
1030550211221045
1198092a987904a
123514a03b12671
131407b460125b9
147788d0da3b25
1537ea33ac5cea
hex1bc9067cd635

30550211221045 has 8 divisors (see below), whose sum is σ = 36660315091896. Its totient is φ = 24440127892416.

The previous prime is 30550211221027. The next prime is 30550211221051. The reversal of 30550211221045 is 54012211205503.

It can be written as a sum of positive squares in 4 ways, for example, as 212874272689 + 30337336948356 = 461383^2 + 5507934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30550211221045 - 219 = 30550210696757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30550211220998 and 30550211221016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648482 + ... + 7988611.

It is an arithmetic number, because the mean of its divisors is an integer number (4582539386487).

Almost surely, 230550211221045 is an apocalyptic number.

It is an amenable number.

30550211221045 is a deficient number, since it is larger than the sum of its proper divisors (6110103870851).

30550211221045 is an equidigital number, since it uses as much as digits as its factorization.

30550211221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271111.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 30550211221045 its reverse (54012211205503), we get a palindrome (84562422426548).

The spelling of 30550211221045 in words is "thirty trillion, five hundred fifty billion, two hundred eleven million, two hundred twenty-one thousand, forty-five".

Divisors: 1 5 634013 3170065 9637093 48185465 6110042244209 30550211221045