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1230021012103 = 13391924143149
BaseRepresentation
bin10001111001100010111…
…101110010101010000111
311100120220021112112112121
4101321202331302222013
5130123040334341403
62341021443030411
7154603032044452
oct21714275625207
94316807475477
101230021012103
114347158818a4
1217a47766b407
138bcb5128ab0
1443767682499
1521ee05b53bd
hex11e62f72a87

1230021012103 has 8 divisors (see below), whose sum is σ = 1324976072000. Its totient is φ = 1135114246368.

The previous prime is 1230021012071. The next prime is 1230021012137. The reversal of 1230021012103 is 3012101200321.

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 1230021012103 - 25 = 1230021012071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230021312103) 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, 12020628 + ... + 12122521.

It is an arithmetic number, because the mean of its divisors is an integer number (165622009000).

Almost surely, 21230021012103 is an apocalyptic number.

1230021012103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1230021012103 is a deficient number, since it is larger than the sum of its proper divisors (94955059897).

1230021012103 is a wasteful number, since it uses less digits than its factorization.

1230021012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24147081.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1230021012103 its reverse (3012101200321), we get a palindrome (4242122212424).

The spelling of 1230021012103 in words is "one trillion, two hundred thirty billion, twenty-one million, twelve thousand, one hundred three".

Divisors: 1 13 3919 50947 24143149 313860937 94617000931 1230021012103