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69949340782 = 276145958831
BaseRepresentation
bin100000100100101001…
…1100011110001101110
320200112220000200111021
41001021103203301232
52121224012401112
652045001044354
75024260405066
oct1011123436156
9220486020437
1069949340782
1127735641052
1211681a866ba
136799abb199
143557dca3a6
151c45e55907
hex10494e3c6e

69949340782 has 8 divisors (see below), whose sum is σ = 105061889952. Its totient is φ = 34928710800.

The previous prime is 69949340767. The next prime is 69949340789. The reversal of 69949340782 is 28704394996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 69949340782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69949340789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22977894 + ... + 22980937.

It is an arithmetic number, because the mean of its divisors is an integer number (13132736244).

Almost surely, 269949340782 is an apocalyptic number.

69949340782 is a deficient number, since it is larger than the sum of its proper divisors (35112549170).

69949340782 is a wasteful number, since it uses less digits than its factorization.

69949340782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45959594.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 69949340782 in words is "sixty-nine billion, nine hundred forty-nine million, three hundred forty thousand, seven hundred eighty-two".

Divisors: 1 2 761 1522 45958831 91917662 34974670391 69949340782