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69128042044 = 2217282010511
BaseRepresentation
bin100000001100001011…
…0100011011000111100
320121102122121101102111
41000120112203120330
52113033234321134
651431301503404
74665025443115
oct1003026433074
9217378541374
1069128042044
1127353a83166
1211492a11b64
1366988bb9b9
1434bacb920c
151be8cc2c64
hex10185a363c

69128042044 has 6 divisors (see below), whose sum is σ = 120974073584. Its totient is φ = 34564021020.

The previous prime is 69128042029. The next prime is 69128042047. The reversal of 69128042044 is 44024082196.

It is a junction number, because it is equal to n+sod(n) for n = 69128041988 and 69128042006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69128042047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8641005252 + ... + 8641005259.

Almost surely, 269128042044 is an apocalyptic number.

It is an amenable number.

69128042044 is a deficient number, since it is larger than the sum of its proper divisors (51846031540).

69128042044 is a wasteful number, since it uses less digits than its factorization.

69128042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17282010515 (or 17282010513 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 69128042044 in words is "sixty-nine billion, one hundred twenty-eight million, forty-two thousand, forty-four".

Divisors: 1 2 4 17282010511 34564021022 69128042044