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12253300000 = 2555122533
BaseRepresentation
bin10110110100101101…
…01000010100100000
31011121221202010121221
423122112220110200
5200043321100000
65343514424424
7612435221464
oct133226502440
934557663557
1012253300000
115218739717
12245b732114
131203791296
148435164a4
154bab0761a
hex2da5a8520

12253300000 has 72 divisors (see below), whose sum is σ = 30152921652. Its totient is φ = 4901280000.

The previous prime is 12253299917. The next prime is 12253300019. The reversal of 12253300000 is 335221.

It can be written as a sum of positive squares in 6 ways, for example, as 2736126864 + 9517173136 = 52308^2 + 97556^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38734 + ... + 161266.

Almost surely, 212253300000 is an apocalyptic number.

12253300000 is a gapful number since it is divisible by the number (10) 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 12253300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15076460826).

12253300000 is an abundant number, since it is smaller than the sum of its proper divisors (17899621652).

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

12253300000 is an frugal number, since it uses more digits than its factorization.

12253300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122568 (or 122540 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 12253300000 its reverse (335221), we get a palindrome (12253635221).

The spelling of 12253300000 in words is "twelve billion, two hundred fifty-three million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 122533 245066 490132 612665 980264 1225330 1960528 2450660 3063325 3921056 4901320 6126650 9802640 12253300 15316625 19605280 24506600 30633250 49013200 61266500 76583125 98026400 122533000 153166250 245066000 306332500 382915625 490132000 612665000 765831250 1225330000 1531662500 2450660000 3063325000 6126650000 12253300000