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1230010320 = 2435711101659
BaseRepresentation
bin100100101010000…
…0111011111010000
310011201110222221210
41021110013133100
510004340312240
6322015220120
742323625630
oct11124073720
93151428853
101230010320
11581343a60
122a3b17640
13167aa1076
14b95026c0
1572eb7780
hex495077d0

1230010320 has 320 divisors, whose sum is σ = 4808263680. Its totient is φ = 252672000.

The previous prime is 1230010303. The next prime is 1230010357. The reversal of 1230010320 is 230100321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1230010296 and 1230010305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1866151 + ... + 1866809.

It is an arithmetic number, because the mean of its divisors is an integer number (15025824).

Almost surely, 21230010320 is an apocalyptic number.

1230010320 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 1230010320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404131840).

1230010320 is an abundant number, since it is smaller than the sum of its proper divisors (3578253360).

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

1230010320 is a wasteful number, since it uses less digits than its factorization.

1230010320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230010320 is about 35071.5029618065. The cubic root of 1230010320 is about 1071.4442662336. Note that the first 3 decimals are identical.

Adding to 1230010320 its reverse (230100321), we get a palindrome (1460110641).

Subtracting from 1230010320 its reverse (230100321), we obtain a palindrome (999909999).

The spelling of 1230010320 in words is "one billion, two hundred thirty million, ten thousand, three hundred twenty".