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69340980667 = 754718109423
BaseRepresentation
bin100000010010100001…
…0110110010110111011
320121222111021210022011
41000211002312112323
52114002242340132
651504345510351
75003222416330
oct1004502662673
9217874253264
1069340980667
11274531a30a2
12115321a23b7
136700a5629a
1434db2a8987
151c0c835b47
hex10250b65bb

69340980667 has 8 divisors (see below), whose sum is σ = 79391714816. Its totient is φ = 59326466472.

The previous prime is 69340980659. The next prime is 69340980673. The reversal of 69340980667 is 76608904396.

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

It is not a de Polignac number, because 69340980667 - 23 = 69340980659 is a prime.

It is a super-2 number, since 2×693409806672 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69340980647) 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 7 ways as a sum of consecutive naturals, for example, 9050883 + ... + 9058540.

It is an arithmetic number, because the mean of its divisors is an integer number (9923964352).

Almost surely, 269340980667 is an apocalyptic number.

69340980667 is a deficient number, since it is larger than the sum of its proper divisors (10050734149).

69340980667 is a wasteful number, since it uses less digits than its factorization.

69340980667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18109977.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 69340980667 in words is "sixty-nine billion, three hundred forty million, nine hundred eighty thousand, six hundred sixty-seven".

Divisors: 1 7 547 3829 18109423 126765961 9905854381 69340980667