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11254041021 = 317220667471
BaseRepresentation
bin10100111101100101…
…10000100110111101
31002001022110112000010
422132302300212331
5141022013303041
65100421053433
7545612525136
oct123662604675
932038415003
1011254041021
114855681653
122220b57279
1310a4753492
1478a91cc8d
1545d020a16
hex29ecb09bd

11254041021 has 8 divisors (see below), whose sum is σ = 15888057984. Its totient is φ = 7061359040.

The previous prime is 11254040981. The next prime is 11254041037. The reversal of 11254041021 is 12014045211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11254041021 - 27 = 11254040893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11254041061) 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, 110333685 + ... + 110333786.

It is an arithmetic number, because the mean of its divisors is an integer number (1986007248).

Almost surely, 211254041021 is an apocalyptic number.

It is an amenable number.

11254041021 is a deficient number, since it is larger than the sum of its proper divisors (4634016963).

11254041021 is a wasteful number, since it uses less digits than its factorization.

11254041021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220667491.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11254041021 its reverse (12014045211), we get a palindrome (23268086232).

The spelling of 11254041021 in words is "eleven billion, two hundred fifty-four million, forty-one thousand, twenty-one".

Divisors: 1 3 17 51 220667471 662002413 3751347007 11254041021