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11257700212 = 22111423179801
BaseRepresentation
bin10100111110000001…
…01101111101110100
31002001120100102110201
422133000231331310
5141023432401322
65101031330244
7545655605263
oct123700557564
932046312421
1011257700212
114857750880
122222220984
1310a5434b95
1478b1d25da
1545d4e4d27
hex29f02df74

11257700212 has 24 divisors (see below), whose sum is σ = 21507196032. Its totient is φ = 5113512000.

The previous prime is 11257700191. The next prime is 11257700213. The reversal of 11257700212 is 21200775211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257700213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27289 + ... + 152512.

It is an arithmetic number, because the mean of its divisors is an integer number (896133168).

Almost surely, 211257700212 is an apocalyptic number.

It is an amenable number.

11257700212 is a deficient number, since it is larger than the sum of its proper divisors (10249495820).

11257700212 is a wasteful number, since it uses less digits than its factorization.

11257700212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181239 (or 181237 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 28.

The spelling of 11257700212 in words is "eleven billion, two hundred fifty-seven million, seven hundred thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 1423 2846 5692 15653 31306 62612 179801 359602 719204 1977811 3955622 7911244 255856823 511713646 1023427292 2814425053 5628850106 11257700212