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11241252540 = 2232578921629
BaseRepresentation
bin10100111100000011…
…11110011010111100
31002000102101210111200
422132001332122330
5141010230040130
65055243015500
7545366033010
oct123601763274
932012353450
1011241252540
114849437461
12221880a590
1310a1bc662b
14788d50540
1545bd46760
hex29e07e6bc

11241252540 has 72 divisors (see below), whose sum is σ = 38969679840. Its totient is φ = 2569428864.

The previous prime is 11241252521. The next prime is 11241252551. The reversal of 11241252540 is 4525214211.

It is a happy number.

11241252540 is a `hidden beast` number, since 1 + 124 + 12 + 525 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4459555 + ... + 4462074.

Almost surely, 211241252540 is an apocalyptic number.

11241252540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11241252540 is an abundant number, since it is smaller than the sum of its proper divisors (27728427300).

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

11241252540 is a wasteful number, since it uses less digits than its factorization.

11241252540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8921651 (or 8921646 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 11241252540 its reverse (4525214211), we get a palindrome (15766466751).

The spelling of 11241252540 in words is "eleven billion, two hundred forty-one million, two hundred fifty-two thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 8921629 17843258 26764887 35686516 44608145 53529774 62451403 80294661 89216290 107059548 124902806 133824435 160589322 178432580 187354209 249805612 267648870 312257015 321178644 374708418 401473305 535297740 562062627 624514030 749416836 802946610 936771045 1124125254 1249028060 1605893220 1873542090 2248250508 2810313135 3747084180 5620626270 11241252540