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29477857471 = 2318126592663
BaseRepresentation
bin11011011101000001…
…000110100010111111
32211002100210022110221
4123131001012202333
5440332312414341
621313020442211
72062326440266
oct333501064277
984070708427
1029477857471
1111557533687
1258680a9367
132a1a15961a
1415d8d6b5dd
15b77d89ed1
hex6dd0468bf

29477857471 has 16 divisors (see below), whose sum is σ = 30952696320. Its totient is φ = 28019360160.

The previous prime is 29477857441. The next prime is 29477857483. The reversal of 29477857471 is 17475877492.

It is a cyclic number.

It is not a de Polignac number, because 29477857471 - 29 = 29477856959 is a prime.

It is a super-3 number, since 3×294778574713 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29477857441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11068086 + ... + 11070748.

It is an arithmetic number, because the mean of its divisors is an integer number (1934543520).

Almost surely, 229477857471 is an apocalyptic number.

29477857471 is a deficient number, since it is larger than the sum of its proper divisors (1474838849).

29477857471 is a wasteful number, since it uses less digits than its factorization.

29477857471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526.

The product of its digits is 27659520, while the sum is 61.

The spelling of 29477857471 in words is "twenty-nine billion, four hundred seventy-seven million, eight hundred fifty-seven thousand, four hundred seventy-one".

Divisors: 1 23 181 2659 2663 4163 61157 61249 481279 482003 7080917 11069417 11086069 162861091 1281645977 29477857471