Search a number
-
+
1030230300000 = 25355112101281
BaseRepresentation
bin11101111110111101000…
…00101101010101100000
310122111012112001210001210
432333132200231111200
5113334402424100000
62105140430430120
7134301032030316
oct16773640552540
93574175053053
101030230300000
11367a11167800
121477ba062340
13761c5296615
1437c132c00b6
151bbea6d2350
hexefde82d560

1030230300000 has 864 divisors, whose sum is σ = 3765595798944. Its totient is φ = 246400000000.

The previous prime is 1030230299977. The next prime is 1030230300019. The reversal of 1030230300000 is 30320301.

It is a happy number.

It is a super-2 number, since 2×10302303000002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3666299860 + ... + 3666300140.

It is an arithmetic number, because the mean of its divisors is an integer number (4358328471).

Almost surely, 21030230300000 is an apocalyptic number.

1030230300000 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 1030230300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1882797899472).

1030230300000 is an abundant number, since it is smaller than the sum of its proper divisors (2735365498944).

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

1030230300000 is a wasteful number, since it uses less digits than its factorization.

1030230300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 1030230300000 its reverse (30320301), we get a palindrome (1030260620301).

The spelling of 1030230300000 in words is "one trillion, thirty billion, two hundred thirty million, three hundred thousand".