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29666319659 = 179740514441
BaseRepresentation
bin11011101000010000…
…000001110100101011
32211120111102011222222
4123220100001310223
5441224034212114
621343432104255
72100105361604
oct335020016453
984514364888
1029666319659
1111643956059
1258bb23508b
132a4a204102
141615dc8dab
15b896b598e
hex6e8401d2b

29666319659 has 16 divisors (see below), whose sum is σ = 31750207776. Its totient is φ = 27620352000.

The previous prime is 29666319593. The next prime is 29666319667. The reversal of 29666319659 is 95691366692.

It is a cyclic number.

It is not a de Polignac number, because 29666319659 - 212 = 29666315563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29666310659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6677879 + ... + 6682319.

It is an arithmetic number, because the mean of its divisors is an integer number (1984387986).

Almost surely, 229666319659 is an apocalyptic number.

29666319659 is a deficient number, since it is larger than the sum of its proper divisors (2083888117).

29666319659 is a wasteful number, since it uses less digits than its factorization.

29666319659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606.

The product of its digits is 28343520, while the sum is 62.

The spelling of 29666319659 in words is "twenty-nine billion, six hundred sixty-six million, three hundred nineteen thousand, six hundred fifty-nine".

Divisors: 1 17 97 1649 4051 4441 68867 75497 392947 430777 6680099 7323209 17990491 305838347 1745077627 29666319659