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23220030000 = 24354774001
BaseRepresentation
bin10101101000000001…
…011000101000110000
32012221020120202000010
4111220001120220300
5340023311430000
614400033454520
71451261666316
oct255001305060
965836522003
1023220030000
119936113242
124600411440
13226083a42b
1411a3c060b6
1590d7c3d50
hex568058a30

23220030000 has 100 divisors (see below), whose sum is σ = 74957449688. Its totient is φ = 6192000000.

The previous prime is 23220029999. The next prime is 23220030013. The reversal of 23220030000 is 3002232.

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

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 357001 + ... + 417000.

Almost surely, 223220030000 is an apocalyptic number.

23220030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220030000 is an abundant number, since it is smaller than the sum of its proper divisors (51737419688).

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

23220030000 is an equidigital number, since it uses as much as digits as its factorization.

23220030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774032 (or 774011 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 23220030000 its reverse (3002232), we get a palindrome (23223032232).

The spelling of 23220030000 in words is "twenty-three billion, two hundred twenty million, thirty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 125 150 200 240 250 300 375 400 500 600 625 750 1000 1200 1250 1500 1875 2000 2500 3000 3750 5000 6000 7500 10000 15000 30000 774001 1548002 2322003 3096004 3870005 4644006 6192008 7740010 9288012 11610015 12384016 15480020 18576024 19350025 23220030 30960040 37152048 38700050 46440060 58050075 61920080 77400100 92880120 96750125 116100150 154800200 185760240 193500250 232200300 290250375 309600400 387000500 464400600 483750625 580500750 774001000 928801200 967501250 1161001500 1451251875 1548002000 1935002500 2322003000 2902503750 3870005000 4644006000 5805007500 7740010000 11610015000 23220030000