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23203000000 = 265623203
BaseRepresentation
bin10101100111000000…
…011010111011000000
32012220001112112020101
4111213000122323000
5340004432000000
614354224452144
71450664150215
oct254700327300
965801475211
1023203000000
119927541364
1245b677a054
13225a156acb
1411a1851b0c
1590c05ce6a
hex56701aec0

23203000000 has 98 divisors (see below), whose sum is σ = 57556060148. Its totient is φ = 9280800000.

The previous prime is 23202999971. The next prime is 23203000027. The reversal of 23203000000 is 30232.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 988399 + ... + 1011601.

Almost surely, 223203000000 is an apocalyptic number.

23203000000 is a gapful number since it is divisible by the number (20) 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 23203000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28778030074).

23203000000 is an abundant number, since it is smaller than the sum of its proper divisors (34353060148).

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

23203000000 is an frugal number, since it uses more digits than its factorization.

23203000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245 (or 23210 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 10.

Adding to 23203000000 its reverse (30232), we get a palindrome (23203030232).

The spelling of 23203000000 in words is "twenty-three billion, two hundred three million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 15625 20000 23203 25000 31250 40000 46406 50000 62500 92812 100000 116015 125000 185624 200000 232030 250000 371248 464060 500000 580075 742496 928120 1000000 1160150 1484992 1856240 2320300 2900375 3712480 4640600 5800750 7424960 9281200 11601500 14501875 18562400 23203000 29003750 37124800 46406000 58007500 72509375 92812000 116015000 145018750 185624000 232030000 290037500 362546875 464060000 580075000 725093750 928120000 1160150000 1450187500 2320300000 2900375000 4640600000 5800750000 11601500000 23203000000