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29707494471 = 34953384847
BaseRepresentation
bin11011101010101101…
…000110010001000111
32211200100220002020000
4123222231012101013
5441320104310341
621351502412343
72101115352024
oct335255062107
984610802200
1029707494471
1111665119326
125910b910b3
132a558bc5c5
14161b66654b
15b8d0ea8b6
hex6eab46447

29707494471 has 20 divisors (see below), whose sum is σ = 44424544032. Its totient is φ = 19784163168.

The previous prime is 29707494461. The next prime is 29707494491. The reversal of 29707494471 is 17449470792.

It is a happy number.

It is not a de Polignac number, because 29707494471 - 225 = 29673940039 is a prime.

It is a super-3 number, since 3×297074944713 (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29707494461) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 115231 + ... + 269616.

Almost surely, 229707494471 is an apocalyptic number.

29707494471 is a deficient number, since it is larger than the sum of its proper divisors (14717049561).

29707494471 is an equidigital number, since it uses as much as digits as its factorization.

29707494471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385812 (or 385803 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 29707494471 in words is "twenty-nine billion, seven hundred seven million, four hundred ninety-four thousand, four hundred seventy-one".

Divisors: 1 3 9 27 81 953 2859 8577 25731 77193 384847 1154541 3463623 10390869 31172607 366759191 1100277573 3300832719 9902498157 29707494471