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54031211111 = 3713910505777
BaseRepresentation
bin110010010100100000…
…101101101001100111
312011110112020220200002
4302110200231221213
51341123442223421
640453244211515
73621641500553
oct622440555147
9164415226602
1054031211111
1120a07234689
12a57ab39b9b
135130c9b747
142887c8a863
151613732b0b
hexc9482da67

54031211111 has 8 divisors (see below), whose sum is σ = 55890738960. Its totient is φ = 52192695168.

The previous prime is 54031211057. The next prime is 54031211131. The reversal of 54031211111 is 11111213045.

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 54031211111 - 210 = 54031210087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54031211131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5247746 + ... + 5258031.

It is an arithmetic number, because the mean of its divisors is an integer number (6986342370).

Almost surely, 254031211111 is an apocalyptic number.

54031211111 is a deficient number, since it is larger than the sum of its proper divisors (1859527849).

54031211111 is a wasteful number, since it uses less digits than its factorization.

54031211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505953.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 54031211111 its reverse (11111213045), we get a palindrome (65142424156).

The spelling of 54031211111 in words is "fifty-four billion, thirty-one million, two hundred eleven thousand, one hundred eleven".

Divisors: 1 37 139 5143 10505777 388713749 1460303003 54031211111