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29211983982 = 2321622887999
BaseRepresentation
bin11011001101001010…
…111000000001101110
32210101211111112121200
4123031022320001232
5434311231441412
621230402110330
72052620524026
oct331512700156
983354445550
1029211983982
1111430448a25
1257b304b3a6
1329a7049b2c
1415b191ca86
15b5e86c9dc
hex6cd2b806e

29211983982 has 12 divisors (see below), whose sum is σ = 63292632000. Its totient is φ = 9737327988.

The previous prime is 29211983947. The next prime is 29211983989. The reversal of 29211983982 is 28938911292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29211983989) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 811443982 + ... + 811444017.

It is an arithmetic number, because the mean of its divisors is an integer number (5274386000).

Almost surely, 229211983982 is an apocalyptic number.

29211983982 is an abundant number, since it is smaller than the sum of its proper divisors (34080648018).

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

29211983982 is a wasteful number, since it uses less digits than its factorization.

29211983982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622888007 (or 1622888004 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The spelling of 29211983982 in words is "twenty-nine billion, two hundred eleven million, nine hundred eighty-three thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 1622887999 3245775998 4868663997 9737327994 14605991991 29211983982