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29115097957 = 1117155695711
BaseRepresentation
bin11011000111011001…
…010010001101100101
32210011002012012222101
4123013121102031211
5434111431113312
621213021332101
72050333151341
oct330731221545
983132165871
1029115097957
1111390794030
125786707031
13298cc5681a
1415a2adc621
15b560d0a57
hex6c7652365

29115097957 has 8 divisors (see below), whose sum is σ = 33630273792. Its totient is φ = 24911313600.

The previous prime is 29115097939. The next prime is 29115097961. The reversal of 29115097957 is 75979051192.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 29115097957 - 211 = 29115095909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29115097898 and 29115097907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29115097927) 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, 77847669 + ... + 77848042.

It is an arithmetic number, because the mean of its divisors is an integer number (4203784224).

Almost surely, 229115097957 is an apocalyptic number.

It is an amenable number.

29115097957 is a deficient number, since it is larger than the sum of its proper divisors (4515175835).

29115097957 is a wasteful number, since it uses less digits than its factorization.

29115097957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155695739.

The product of its (nonzero) digits is 1786050, while the sum is 55.

The spelling of 29115097957 in words is "twenty-nine billion, one hundred fifteen million, ninety-seven thousand, nine hundred fifty-seven".

Divisors: 1 11 17 187 155695711 1712652821 2646827087 29115097957