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29006994890 = 2512592303971
BaseRepresentation
bin11011000000111100…
…111001110111001010
32202212112210000110002
4123000330321313022
5433401242314030
621154200323002
72044551250136
oct330074716712
982775700402
1029006994890
1111335768655
125756473462
132973736a03
1415925dc3c6
15b4b87a245
hex6c0f39dca

29006994890 has 16 divisors (see below), whose sum is σ = 52254084960. Its totient is φ = 11593577040.

The previous prime is 29006994883. The next prime is 29006994901. The reversal of 29006994890 is 9849960092.

It is a super-2 number, since 2×290069948902 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1139396 + ... + 1164575.

It is an arithmetic number, because the mean of its divisors is an integer number (3265880310).

Almost surely, 229006994890 is an apocalyptic number.

29006994890 is a deficient number, since it is larger than the sum of its proper divisors (23247090070).

29006994890 is a wasteful number, since it uses less digits than its factorization.

29006994890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305237.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 29006994890 in words is "twenty-nine billion, six million, nine hundred ninety-four thousand, eight hundred ninety".

Divisors: 1 2 5 10 1259 2518 6295 12590 2303971 4607942 11519855 23039710 2900699489 5801398978 14503497445 29006994890