Search a number
-
+
10303222140 = 22335231974211
BaseRepresentation
bin10011001100001111…
…01011000101111100
3222121001022220201000
421212013223011330
5132100111102030
64422213450300
7513215641341
oct114607530574
928531286630
1010303222140
11440799a322
121bb6640990
13c82775a63
146da5347c8
15404806860
hex2661eb17c

10303222140 has 192 divisors, whose sum is σ = 33625912320. Its totient is φ = 2614106880.

The previous prime is 10303222133. The next prime is 10303222157. The reversal of 10303222140 is 4122230301.

10303222140 is a `hidden beast` number, since 1 + 0 + 303 + 222 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2444635 + ... + 2448845.

It is an arithmetic number, because the mean of its divisors is an integer number (175134960).

Almost surely, 210303222140 is an apocalyptic number.

10303222140 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 10303222140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16812956160).

10303222140 is an abundant number, since it is smaller than the sum of its proper divisors (23322690180).

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

10303222140 is a wasteful number, since it uses less digits than its factorization.

10303222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4449 (or 4441 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10303222140 its reverse (4122230301), we get a palindrome (14425452441).

The spelling of 10303222140 in words is "ten billion, three hundred three million, two hundred twenty-two thousand, one hundred forty".