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69063639940 = 22527734913571
BaseRepresentation
bin100000001010010000…
…0111000001110000100
320121021011102102100101
41000110200320032010
52112420242434230
651421041253444
74663314152641
oct1002440701604
9217234372311
1069063639940
1127320695989
1211475334284
136688460149
1434b2512dc8
151be3300aca
hex1014838384

69063639940 has 48 divisors (see below), whose sum is σ = 145639698624. Its totient is φ = 27510134400.

The previous prime is 69063639937. The next prime is 69063639979. The reversal of 69063639940 is 4993636096.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19338355 + ... + 19341925.

It is an arithmetic number, because the mean of its divisors is an integer number (3034160388).

Almost surely, 269063639940 is an apocalyptic number.

It is an amenable number.

69063639940 is an abundant number, since it is smaller than the sum of its proper divisors (76576058684).

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

69063639940 is a wasteful number, since it uses less digits than its factorization.

69063639940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 55.

The spelling of 69063639940 in words is "sixty-nine billion, sixty-three million, six hundred thirty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 277 554 1108 1385 2770 3491 3571 5540 6982 7142 13964 14284 17455 17855 34910 35710 69820 71420 967007 989167 1934014 1978334 3868028 3956668 4835035 4945835 9670070 9891670 12466361 19340140 19783340 24932722 49865444 62331805 124663610 249327220 3453181997 6906363994 13812727988 17265909985 34531819970 69063639940