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69220274888 = 2316725572
BaseRepresentation
bin100000001110111011…
…0011001001011001000
320121200002011022002202
41000131312121023020
52113230342244023
651444354415332
75000225425412
oct1003566311310
9217602138082
1069220274888
11273a104a056
12114b9891548
1366b1a4304b
1434c92479b2
151c01e41128
hex101dd992c8

69220274888 has 36 divisors (see below), whose sum is σ = 130804679985. Its totient is φ = 34341126496.

The previous prime is 69220274881. The next prime is 69220274891. The reversal of 69220274888 is 88847202296.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 54194908804 + 15025366084 = 232798^2 + 122578^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=186038.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69220274881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 124273106 + ... + 124273662.

Almost surely, 269220274888 is an apocalyptic number.

It is an amenable number.

69220274888 is a deficient number, since it is larger than the sum of its proper divisors (61584405097).

69220274888 is an frugal number, since it uses more digits than its factorization.

69220274888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 69220274888 in words is "sixty-nine billion, two hundred twenty million, two hundred seventy-four thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 167 334 557 668 1114 1336 2228 4456 27889 55778 93019 111556 186038 223112 310249 372076 620498 744152 1240996 2481992 15534173 31068346 51811583 62136692 103623166 124273384 207246332 414492664 8652534361 17305068722 34610137444 69220274888