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11250011240 = 2351321634637
BaseRepresentation
bin10100111101000110…
…11000110001101000
31002001000212210011222
422132203120301220
5141020000324430
65100154441212
7545533342406
oct123643306150
932030783158
1011250011240
114853379a56
12221b733208
1310a39721b0
1478a190476
1545c9c69e5
hex29e8d8c68

11250011240 has 32 divisors (see below), whose sum is σ = 27259643880. Its totient is φ = 4153850112.

The previous prime is 11250011233. The next prime is 11250011251. The reversal of 11250011240 is 4211005211.

It can be written as a sum of positive squares in 4 ways, for example, as 8338977124 + 2911034116 = 91318^2 + 53954^2 .

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, 10816799 + ... + 10817838.

Almost surely, 211250011240 is an apocalyptic number.

11250011240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11250011240 is an abundant number, since it is smaller than the sum of its proper divisors (16009632640).

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

11250011240 is a wasteful number, since it uses less digits than its factorization.

11250011240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21634661 (or 21634657 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 11250011240 its reverse (4211005211), we get a palindrome (15461016451).

The spelling of 11250011240 in words is "eleven billion, two hundred fifty million, eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 21634637 43269274 86538548 108173185 173077096 216346370 281250281 432692740 562500562 865385480 1125001124 1406251405 2250002248 2812502810 5625005620 11250011240