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29187443032 = 23111991666711
BaseRepresentation
bin11011001011101101…
…010000100101011000
32210100010022201202121
4123023231100211120
5434233441134112
621224124111024
72052202113046
oct331355204530
983303281677
1029187443032
1111418606a50
1257a6995474
1329a1c36867
1415ac571396
15b5c621407
hex6cbb50958

29187443032 has 32 divisors (see below), whose sum is σ = 60001632000. Its totient is φ = 13200343200.

The previous prime is 29187443027. The next prime is 29187443083. The reversal of 29187443032 is 23034478192.

It is a self number, because there is not a number n which added to its sum of digits gives 29187443032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815844 + ... + 850867.

It is an arithmetic number, because the mean of its divisors is an integer number (1875051000).

Almost surely, 229187443032 is an apocalyptic number.

29187443032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

29187443032 is an abundant number, since it is smaller than the sum of its proper divisors (30814188968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29187443032 is a wasteful number, since it uses less digits than its factorization.

29187443032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666927 (or 1666923 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 29187443032 in words is "twenty-nine billion, one hundred eighty-seven million, four hundred forty-three thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 199 398 796 1592 2189 4378 8756 17512 1666711 3333422 6666844 13333688 18333821 36667642 73335284 146670568 331675489 663350978 1326701956 2653403912 3648430379 7296860758 14593721516 29187443032