Search a number
-
+
1380934628850 = 2352731391710831
BaseRepresentation
bin10100000110000110000…
…111100011010111110010
311220000102201010120222110
4110012012013203113302
5140111123231110400
62534220445350150
7201524563446420
oct24060607432762
94800381116873
101380934628850
11492718662807
121a3774268356
13a02b5a5b77a
144aba24d6110
1525dc44b0e50
hex141861e35f2

1380934628850 has 192 divisors, whose sum is σ = 4041624748032. Its totient is φ = 305354016000.

The previous prime is 1380934628837. The next prime is 1380934628861. The reversal of 1380934628850 is 588264390831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127492935 + ... + 127503765.

It is an arithmetic number, because the mean of its divisors is an integer number (21050128896).

Almost surely, 21380934628850 is an apocalyptic number.

1380934628850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380934628850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2020812374016).

1380934628850 is an abundant number, since it is smaller than the sum of its proper divisors (2660690119182).

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

1380934628850 is a wasteful number, since it uses less digits than its factorization.

1380934628850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801 (or 14796 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 1380934628850 in words is "one trillion, three hundred eighty billion, nine hundred thirty-four million, six hundred twenty-eight thousand, eight hundred fifty".