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29813189958 = 2321656288331
BaseRepresentation
bin11011110001000000…
…010010110101000110
32211221201202222011200
4123301000102311012
5442024134034313
621410200043330
72103540635106
oct336100226506
984851688150
1029813189958
111170984a972
125940463546
132a71778606
14162b6db206
15b97527b73
hex6f1012d46

29813189958 has 12 divisors (see below), whose sum is σ = 64595244948. Its totient is φ = 9937729980.

The previous prime is 29813189953. The next prime is 29813189981. The reversal of 29813189958 is 85998131892.

It is a junction number, because it is equal to n+sod(n) for n = 29813189895 and 29813189904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29813189953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 828144148 + ... + 828144183.

It is an arithmetic number, because the mean of its divisors is an integer number (5382937079).

Almost surely, 229813189958 is an apocalyptic number.

29813189958 is an abundant number, since it is smaller than the sum of its proper divisors (34782054990).

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

29813189958 is a wasteful number, since it uses less digits than its factorization.

29813189958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656288339 (or 1656288336 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 63.

The spelling of 29813189958 in words is "twenty-nine billion, eight hundred thirteen million, one hundred eighty-nine thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 9 18 1656288331 3312576662 4968864993 9937729986 14906594979 29813189958