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23212210000 = 24547331603
BaseRepresentation
bin10101100111100011…
…100011011101010000
32012220200212102222111
4111213203203131100
5340014311210000
614355154115104
71451135346430
oct254743433520
965820772874
1023212210000
119931761a31
1245b987ba94
13225c02cc05
1411a2b6c2c0
1590cc7bcba
hex5678e3750

23212210000 has 100 divisors (see below), whose sum is σ = 64227715552. Its totient is φ = 7958448000.

The previous prime is 23212209971. The next prime is 23212210001. The reversal of 23212210000 is 1221232.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212210001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95802 + ... + 235801.

Almost surely, 223212210000 is an apocalyptic number.

23212210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212210000 is an abundant number, since it is smaller than the sum of its proper divisors (41015505552).

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

23212210000 is an equidigital number, since it uses as much as digits as its factorization.

23212210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331638 (or 331617 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 23212210000 its reverse (1221232), we get a palindrome (23213431232).

The spelling of 23212210000 in words is "twenty-three billion, two hundred twelve million, two hundred ten thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 625 700 875 1000 1250 1400 1750 2000 2500 2800 3500 4375 5000 7000 8750 10000 14000 17500 35000 70000 331603 663206 1326412 1658015 2321221 2652824 3316030 4642442 5305648 6632060 8290075 9284884 11606105 13264120 16580150 18569768 23212210 26528240 33160300 37139536 41450375 46424420 58030525 66320600 82900750 92848840 116061050 132641200 165801500 185697680 207251875 232122100 290152625 331603000 414503750 464244200 580305250 663206000 829007500 928488400 1160610500 1450763125 1658015000 2321221000 2901526250 3316030000 4642442000 5803052500 11606105000 23212210000