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1230242420321 = 5992053827079
BaseRepresentation
bin10001111001110000001…
…010011001011001100001
311100121110201011020111222
4101321300022121121201
5130124014024422241
62341055432344425
7154611361014455
oct21716012313141
94317421136458
101230242420321
114348198570a2
1217a519845115
138c01bc6a485
1443788c38665
1522004c4ca4b
hex11e70299661

1230242420321 has 4 divisors (see below), whose sum is σ = 1232296248000. Its totient is φ = 1228188592644.

The previous prime is 1230242420279. The next prime is 1230242420399.

1230242420321 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1230242420321 - 226 = 1230175311457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230242420021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026912941 + ... + 1026914138.

It is an arithmetic number, because the mean of its divisors is an integer number (308074062000).

Almost surely, 21230242420321 is an apocalyptic number.

It is an amenable number.

1230242420321 is a deficient number, since it is larger than the sum of its proper divisors (2053827679).

1230242420321 is an equidigital number, since it uses as much as digits as its factorization.

1230242420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053827678.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 1230242420321 in words is "one trillion, two hundred thirty billion, two hundred forty-two million, four hundred twenty thousand, three hundred twenty-one".

Divisors: 1 599 2053827079 1230242420321