Search a number
-
+
1230310230000 = 243541719126967
BaseRepresentation
bin10001111001110100001…
…101000100011111110000
311100121122102202022220120
4101321310031010133300
5130124133404330000
62341110254010240
7154613143256355
oct21716415043760
94317572668816
101230310230000
11434854061555
1217a5384a6980
138c030020047
1443793c4a62c
152200ab946a0
hex11e743447f0

1230310230000 has 400 divisors, whose sum is σ = 4426592037120. Its totient is φ = 292529664000.

The previous prime is 1230310229999. The next prime is 1230310230001. The reversal of 1230310230000 is 320130321.

It is an interprime number because it is at equal distance from previous prime (1230310229999) and next prime (1230310230001).

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230310230001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9626517 + ... + 9753483.

Almost surely, 21230310230000 is an apocalyptic number.

1230310230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230310230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213296018560).

1230310230000 is an abundant number, since it is smaller than the sum of its proper divisors (3196281807120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230310230000 is a wasteful number, since it uses less digits than its factorization.

1230310230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127034 (or 127013 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1230310230000 its reverse (320130321), we get a palindrome (1230630360321).

The spelling of 1230310230000 in words is "one trillion, two hundred thirty billion, three hundred ten million, two hundred thirty thousand".