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4755551666231 = 25118946420981
BaseRepresentation
bin100010100110011110011…
…1101111100000000110111
3121211121220120110010122202
41011030330331330000313
51110403332211304411
614040400440215115
71000402001131202
oct105147475740067
917747816403582
104755551666231
1115738aaa36323
126497a876a49b
132865a62389a2
141262543da939
1583a81ed083b
hex4533cf7c037

4755551666231 has 4 divisors (see below), whose sum is σ = 4774498087464. Its totient is φ = 4736605245000.

The previous prime is 4755551666197. The next prime is 4755551666251. The reversal of 4755551666231 is 1326661555574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4755551666231 is a prime.

It is a super-2 number, since 2×47555516662312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4755551666251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473210240 + ... + 9473210741.

It is an arithmetic number, because the mean of its divisors is an integer number (1193624521866).

Almost surely, 24755551666231 is an apocalyptic number.

4755551666231 is a deficient number, since it is larger than the sum of its proper divisors (18946421233).

4755551666231 is a wasteful number, since it uses less digits than its factorization.

4755551666231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946421232.

The product of its digits is 22680000, while the sum is 56.

The spelling of 4755551666231 in words is "four trillion, seven hundred fifty-five billion, five hundred fifty-one million, six hundred sixty-six thousand, two hundred thirty-one".

Divisors: 1 251 18946420981 4755551666231