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11297171000 = 235311297171
BaseRepresentation
bin10101000010101110…
…10010011000111000
31002011022121202012202
422201113102120320
5141114033433000
65105001325332
7546645240413
oct124127223070
932138552182
1011297171000
114877a5a865
122233496848
1310b067488b
14792548b7a
15461bdedd5
hex2a15d2638

11297171000 has 32 divisors (see below), whose sum is σ = 26435382480. Its totient is φ = 4518868000.

The previous prime is 11297170999. The next prime is 11297171003. The reversal of 11297171000 is 17179211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297171003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5647586 + ... + 5649585.

Almost surely, 211297171000 is an apocalyptic number.

11297171000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11297171000 is an abundant number, since it is smaller than the sum of its proper divisors (15138211480).

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

11297171000 is a wasteful number, since it uses less digits than its factorization.

11297171000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11297192 (or 11297178 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 29.

The spelling of 11297171000 in words is "eleven billion, two hundred ninety-seven million, one hundred seventy-one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 11297171 22594342 45188684 56485855 90377368 112971710 225943420 282429275 451886840 564858550 1129717100 1412146375 2259434200 2824292750 5648585500 11297171000