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29228991330 = 235711232232467
BaseRepresentation
bin11011001110001011…
…110000001101100010
32210110000111121022110
4123032023300031202
5434330110210310
621232210420150
72053215220110
oct331613601542
983400447273
1029228991330
111143a004890
1257b8891656
1329aa723056
1415b3ca8ab0
15b610cbd20
hex6ce2f0362

29228991330 has 256 divisors, whose sum is σ = 91708194816. Its totient is φ = 5781093120.

The previous prime is 29228991317. The next prime is 29228991331. The reversal of 29228991330 is 3319982292.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29228991330.

It is not an unprimeable number, because it can be changed into a prime (29228991331) 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 127 ways as a sum of consecutive naturals, for example, 11846757 + ... + 11849223.

It is an arithmetic number, because the mean of its divisors is an integer number (358235136).

Almost surely, 229228991330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29228991330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45854097408).

29228991330 is an abundant number, since it is smaller than the sum of its proper divisors (62479203486).

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

29228991330 is a wasteful number, since it uses less digits than its factorization.

29228991330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 29228991330 in words is "twenty-nine billion, two hundred twenty-eight million, nine hundred ninety-one thousand, three hundred thirty".