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11393128252 = 22115314932789
BaseRepresentation
bin10101001110001010…
…10101011100111100
31002102000011212211001
422213011111130330
5141313120101002
65122310140044
7552221664232
oct124705253474
932360155731
1011393128252
11491713a980
12225b651624
1310c750120c
147a11a6952
1546a346a87
hex2a715573c

11393128252 has 48 divisors (see below), whose sum is σ = 22310316000. Its totient is φ = 5046728960.

The previous prime is 11393128249. The next prime is 11393128259. The reversal of 11393128252 is 25282139311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11393128259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331074 + ... + 363862.

It is an arithmetic number, because the mean of its divisors is an integer number (464798250).

Almost surely, 211393128252 is an apocalyptic number.

It is an amenable number.

11393128252 is a deficient number, since it is larger than the sum of its proper divisors (10917187748).

11393128252 is a wasteful number, since it uses less digits than its factorization.

11393128252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33006 (or 33004 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The spelling of 11393128252 in words is "eleven billion, three hundred ninety-three million, one hundred twenty-eight thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 44 53 106 149 212 298 583 596 1166 1639 2332 3278 6556 7897 15794 31588 32789 65578 86867 131156 173734 347468 360679 721358 1442716 1737817 3475634 4885561 6951268 9771122 19115987 19542244 38231974 53741171 76463948 107482342 214964684 258934733 517869466 1035738932 2848282063 5696564126 11393128252