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1230352530321 = 31015752970583
BaseRepresentation
bin10001111001110110101…
…110011011101110010001
311100121202101100102001010
4101321312232123232101
5130124230221432241
62341114404401133
7154614165645045
oct21716656335621
94317671312033
101230352530321
11434875a233a2
1217a54a6a61a9
138c038a10915
14437996dc025
152200e74cd16
hex11e76b9bb91

1230352530321 has 16 divisors (see below), whose sum is σ = 1656764588160. Its totient is φ = 812088259200.

The previous prime is 1230352530313. The next prime is 1230352530373.

It is a happy number.

1230352530321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1230352530321 - 23 = 1230352530313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230352530391) 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, 17395996 + ... + 17466578.

It is an arithmetic number, because the mean of its divisors is an integer number (103547786760).

Almost surely, 21230352530321 is an apocalyptic number.

It is an amenable number.

1230352530321 is a deficient number, since it is larger than the sum of its proper divisors (426412057839).

1230352530321 is a wasteful number, since it uses less digits than its factorization.

1230352530321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128216.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 1230352530321 in words is "one trillion, two hundred thirty billion, three hundred fifty-two million, five hundred thirty thousand, three hundred twenty-one".

Divisors: 1 3 101 303 57529 70583 172587 211749 5810429 7128883 17431287 21386649 4060569407 12181708221 410117510107 1230352530321