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69240771432 = 233372192931383
BaseRepresentation
bin100000001111100010…
…0100101001101101000
320121201111201122002000
41000133010211031220
52113301114141212
651450410011000
75000564563200
oct1003704451550
9217644648060
1069240771432
1127401679448
1211504716a60
1366b606b491
1434cbc61400
151c03b3e1dc
hex101f125368

69240771432 has 768 divisors, whose sum is σ = 252149760000. Its totient is φ = 17466140160.

The previous prime is 69240771373. The next prime is 69240771553. The reversal of 69240771432 is 23417704296.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 180785113 + ... + 180785495.

It is an arithmetic number, because the mean of its divisors is an integer number (328320000).

Almost surely, 269240771432 is an apocalyptic number.

69240771432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69240771432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126074880000).

69240771432 is an abundant number, since it is smaller than the sum of its proper divisors (182908988568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69240771432 is a wasteful number, since it uses less digits than its factorization.

69240771432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 69240771432 in words is "sixty-nine billion, two hundred forty million, seven hundred seventy-one thousand, four hundred thirty-two".