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11257669748 = 22131133136121
BaseRepresentation
bin10100111110000001…
…00110100001110100
31002001120021212200102
422133000212201310
5141023430412443
65101030533232
7545655420413
oct123700464164
932046255612
1011257669748
11485772a9a6
122222207218
1310a5424060
1478b1c547a
1545d4dacb8
hex29f026874

11257669748 has 48 divisors (see below), whose sum is σ = 21476024976. Its totient is φ = 5132574720.

The previous prime is 11257669741. The next prime is 11257669789. The reversal of 11257669748 is 84796675211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8889095524 + 2368574224 = 94282^2 + 48668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11257669693 and 11257669702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257669741) 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, 1836128 + ... + 1842248.

It is an arithmetic number, because the mean of its divisors is an integer number (447417187).

Almost surely, 211257669748 is an apocalyptic number.

It is an amenable number.

11257669748 is a deficient number, since it is larger than the sum of its proper divisors (10218355228).

11257669748 is a wasteful number, since it uses less digits than its factorization.

11257669748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564 (or 6562 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 56.

The spelling of 11257669748 in words is "eleven billion, two hundred fifty-seven million, six hundred sixty-nine thousand, seven hundred forty-eight".

Divisors: 1 2 4 13 26 52 113 226 313 452 626 1252 1469 2938 4069 5876 6121 8138 12242 16276 24484 35369 70738 79573 141476 159146 318292 459797 691673 919594 1383346 1839188 1915873 2766692 3831746 7663492 8991749 17983498 24906349 35966996 49812698 99625396 216493649 432987298 865974596 2814417437 5628834874 11257669748