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29001571147 = 107479956479
BaseRepresentation
bin11011000000101000…
…001101101101001011
32202212011120110110201
4123000220031231023
5433343400234042
621153444153031
72044454200363
oct330050155513
982764513421
1029001571147
11113326a371a
125754698777
1329725880b3
1415919c99a3
15b4b1581b7
hex6c0a0db4b

29001571147 has 8 divisors (see below), whose sum is σ = 29279232000. Its totient is φ = 28724033064.

The previous prime is 29001571129. The next prime is 29001571153. The reversal of 29001571147 is 74117510092.

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-29001571147 is a prime.

It is a super-2 number, since 2×290015711472 (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 (29001671147) 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, 485254 + ... + 541732.

It is an arithmetic number, because the mean of its divisors is an integer number (3659904000).

Almost surely, 229001571147 is an apocalyptic number.

29001571147 is a deficient number, since it is larger than the sum of its proper divisors (277660853).

29001571147 is a wasteful number, since it uses less digits than its factorization.

29001571147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61385.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 29001571147 in words is "twenty-nine billion, one million, five hundred seventy-one thousand, one hundred forty-seven".

Divisors: 1 107 4799 56479 513493 6043253 271042721 29001571147