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29060968681 = 103282145327
BaseRepresentation
bin11011000100001010…
…110011000011101001
32210000022100011120101
4123010022303003221
5434004101444211
621203405225401
72046105105133
oct330412630351
983008304511
1029060968681
1111363182998
125770562261
132981983a74
14159984c053
15b5148c5c1
hex6c42b30e9

29060968681 has 4 divisors (see below), whose sum is σ = 29343114112. Its totient is φ = 28778823252.

The previous prime is 29060968679. The next prime is 29060968709. The reversal of 29060968681 is 18686906092.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29060968681 - 21 = 29060968679 is a prime.

It is a super-2 number, since 2×290609686812 (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 (29060968621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141072561 + ... + 141072766.

It is an arithmetic number, because the mean of its divisors is an integer number (7335778528).

Almost surely, 229060968681 is an apocalyptic number.

It is an amenable number.

29060968681 is a deficient number, since it is larger than the sum of its proper divisors (282145431).

29060968681 is a wasteful number, since it uses less digits than its factorization.

29060968681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282145430.

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 29060968681 in words is "twenty-nine billion, sixty million, nine hundred sixty-eight thousand, six hundred eighty-one".

Divisors: 1 103 282145327 29060968681