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11254021142 = 271363619721
BaseRepresentation
bin10100111101100101…
…01011110000010110
31002001022102111201212
422132302223300112
5141022012134032
65100420421422
7545612413160
oct123662536026
932038374655
1011254021142
114855668721
122220b47872
1310a4747410
1478a915930
1545d019bb2
hex29ecabc16

11254021142 has 32 divisors (see below), whose sum is σ = 20782058304. Its totient is φ = 4450982400.

The previous prime is 11254021111. The next prime is 11254021183. The reversal of 11254021142 is 24112045211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152842 + ... + 1162562.

It is an arithmetic number, because the mean of its divisors is an integer number (649439322).

Almost surely, 211254021142 is an apocalyptic number.

11254021142 is a deficient number, since it is larger than the sum of its proper divisors (9528037162).

11254021142 is a wasteful number, since it uses less digits than its factorization.

11254021142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16104.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11254021142 its reverse (24112045211), we get a palindrome (35366066353).

The spelling of 11254021142 in words is "eleven billion, two hundred fifty-four million, twenty-one thousand, one hundred forty-two".

Divisors: 1 2 7 13 14 26 91 182 6361 9721 12722 19442 44527 68047 82693 89054 126373 136094 165386 252746 578851 884611 1157702 1769222 61835281 123670562 432846967 803858653 865693934 1607717306 5627010571 11254021142