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11303221000 = 235311303221
BaseRepresentation
bin10101000011011100…
…10111011100001000
31002011202000010020211
422201232113130020
5141122111033000
65105335130504
7550050536041
oct124156273410
932152003224
1011303221000
114880412265
122235513a34
1310b19b2566
147932818c8
154624d77ba
hex2a1b97708

11303221000 has 32 divisors (see below), whose sum is σ = 26449539480. Its totient is φ = 4521288000.

The previous prime is 11303220991. The next prime is 11303221037. The reversal of 11303221000 is 12230311.

It can be written as a sum of positive squares in 4 ways, for example, as 2482630276 + 8820590724 = 49826^2 + 93918^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5650611 + ... + 5652610.

Almost surely, 211303221000 is an apocalyptic number.

11303221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11303221000 is an abundant number, since it is smaller than the sum of its proper divisors (15146318480).

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

11303221000 is a wasteful number, since it uses less digits than its factorization.

11303221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303242 (or 11303228 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 11303221000 its reverse (12230311), we get a palindrome (11315451311).

The spelling of 11303221000 in words is "eleven billion, three hundred three million, two hundred twenty-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 11303221 22606442 45212884 56516105 90425768 113032210 226064420 282580525 452128840 565161050 1130322100 1412902625 2260644200 2825805250 5651610500 11303221000