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10230233140 = 22517296173233
BaseRepresentation
bin10011000011100010…
…01111100000110100
3222101221222200121201
421201301033200310
5131422414430030
64411045222244
7511341355411
oct114161174064
928357880551
1010230233140
11437a777636
121b96101984
13c705cb8ba
146d0975108
153ed1da2ca
hex261c4f834

10230233140 has 192 divisors, whose sum is σ = 24349066560. Its totient is φ = 3592028160.

The previous prime is 10230233131. The next prime is 10230233171. The reversal of 10230233140 is 4133203201.

It can be written as a sum of positive squares in 32 ways, for example, as 8316345636 + 1913887504 = 91194^2 + 43748^2 .

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, 43906464 + ... + 43906696.

It is an arithmetic number, because the mean of its divisors is an integer number (126818055).

Almost surely, 210230233140 is an apocalyptic number.

10230233140 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 10230233140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12174533280).

10230233140 is an abundant number, since it is smaller than the sum of its proper divisors (14118833420).

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

10230233140 is a wasteful number, since it uses less digits than its factorization.

10230233140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 10230233140 its reverse (4133203201), we get a palindrome (14363436341).

The spelling of 10230233140 in words is "ten billion, two hundred thirty million, two hundred thirty-three thousand, one hundred forty".