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29879642330497 = 173911944930239
BaseRepresentation
bin1101100101100111001010…
…11101111001010110000001
310220210110120122111122200001
412302303211131321112001
512404022001414033442
6143314303532400001
76202506251154451
oct662634535712601
9126713518448601
1029879642330497
11957a981153603
123426a5b916001
13138983b114b2b
1475427a73bd61
1536c3887222b7
hex1b2ce5779581

29879642330497 has 8 divisors (see below), whose sum is σ = 31638077798400. Its totient is φ = 28121296801344.

The previous prime is 29879642330443. The next prime is 29879642330513. The reversal of 29879642330497 is 79403324697892.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29879642330497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29879642330407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21800097 + ... + 23130142.

It is an arithmetic number, because the mean of its divisors is an integer number (3954759724800).

Almost surely, 229879642330497 is an apocalyptic number.

It is an amenable number.

29879642330497 is a deficient number, since it is larger than the sum of its proper divisors (1758435467903).

29879642330497 is a wasteful number, since it uses less digits than its factorization.

29879642330497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44969375.

The product of its (nonzero) digits is 987614208, while the sum is 73.

The spelling of 29879642330497 in words is "twenty-nine trillion, eight hundred seventy-nine billion, six hundred forty-two million, three hundred thirty thousand, four hundred ninety-seven".

Divisors: 1 17 39119 665023 44930239 763814063 1757626019441 29879642330497