Search a number
-
+
23103304040 = 2352325112287
BaseRepresentation
bin10101100001000100…
…000111000101101000
32012122002221110002102
4111201010013011220
5334303421212130
614340303552532
71445343562355
oct254104070550
965562843072
1023103304040
119886238303
1245892bb748
1322425bb80b
1411924dd62c
15903418645
hex561107168

23103304040 has 32 divisors (see below), whose sum is σ = 54242542080. Its totient is φ = 8839524672.

The previous prime is 23103304033. The next prime is 23103304097. The reversal of 23103304040 is 4040330132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12555224 + ... + 12557063.

It is an arithmetic number, because the mean of its divisors is an integer number (1695079440).

Almost surely, 223103304040 is an apocalyptic number.

23103304040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23103304040 is an abundant number, since it is smaller than the sum of its proper divisors (31139238040).

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

23103304040 is a wasteful number, since it uses less digits than its factorization.

23103304040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25112321 (or 25112317 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23103304040 its reverse (4040330132), we get a palindrome (27143634172).

The spelling of 23103304040 in words is "twenty-three billion, one hundred three million, three hundred four thousand, forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 25112287 50224574 100449148 125561435 200898296 251122870 502245740 577582601 1004491480 1155165202 2310330404 2887913005 4620660808 5775826010 11551652020 23103304040