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23000030000 = 24542300003
BaseRepresentation
bin10101011010111010…
…001001101100110000
32012100220121120201222
4111122322021230300
5334101001430000
614322134244212
71442651013023
oct253272115460
965326546658
1023000030000
119832a0aa62
12455a7b6668
13222709ca0c
1411828d91ba
158e9318a85
hex55ae89b30

23000030000 has 50 divisors (see below), whose sum is σ = 55685396844. Its totient is φ = 9200008000.

The previous prime is 23000029993. The next prime is 23000030023. The reversal of 23000030000 is 3000032.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23000030000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1140002 + ... + 1160001.

Almost surely, 223000030000 is an apocalyptic number.

23000030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23000030000 is an abundant number, since it is smaller than the sum of its proper divisors (32685366844).

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

23000030000 is an equidigital number, since it uses as much as digits as its factorization.

23000030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300031 (or 2300010 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 8.

Adding to 23000030000 its reverse (3000032), we get a palindrome (23003030032).

The spelling of 23000030000 in words is "twenty-three billion, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 2300003 4600006 9200012 11500015 18400024 23000030 36800048 46000060 57500075 92000120 115000150 184000240 230000300 287500375 460000600 575000750 920001200 1150001500 1437501875 2300003000 2875003750 4600006000 5750007500 11500015000 23000030000