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30221302021123 = 199311170829647
BaseRepresentation
bin1101101111100011100011…
…11110001011110000000011
310222000010110111111020102211
412313301301332023300003
512430121211304133443
6144135250253322551
76236263015466113
oct667616176136003
9128003414436384
1030221302021123
1196a1867139a94
123481110a96457
1313b2b19acac45
14766a0c63d043
153761d345819d
hex1b7c71f8bc03

30221302021123 has 8 divisors (see below), whose sum is σ = 31815313643520. Its totient is φ = 28627632076680.

The previous prime is 30221302021111. The next prime is 30221302021177. The reversal of 30221302021123 is 32112020312203.

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

It is not a de Polignac number, because 30221302021123 - 225 = 30221268466691 is a prime.

It is a super-2 number, since 2×302213020211232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221302021094 and 30221302021103.

It is not an unprimeable number, because it can be changed into a prime (30221302021193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85237915 + ... + 85591732.

It is an arithmetic number, because the mean of its divisors is an integer number (3976914205440).

Almost surely, 230221302021123 is an apocalyptic number.

30221302021123 is a deficient number, since it is larger than the sum of its proper divisors (1594011622397).

30221302021123 is a wasteful number, since it uses less digits than its factorization.

30221302021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170838977.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30221302021123 its reverse (32112020312203), we get a palindrome (62333322333326).

The spelling of 30221302021123 in words is "thirty trillion, two hundred twenty-one billion, three hundred two million, twenty-one thousand, one hundred twenty-three".

Divisors: 1 19 9311 176909 170829647 3245763293 1590594843217 30221302021123