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29307219284 = 227322395789
BaseRepresentation
bin11011010010110110…
…001010110101010100
32210122110200222220002
4123102312022311110
5440010122004114
621244043230432
72055155153000
oct332266126524
983573628802
1029307219284
111147a185692
12581ab18418
1329c09b2995
1415c042d700
15b67dd07de
hex6d2d8ad54

29307219284 has 48 divisors (see below), whose sum is σ = 60079488000. Its totient is φ = 12503782368.

The previous prime is 29307219283. The next prime is 29307219287. The reversal of 29307219284 is 48291270392.

It is a happy number.

It is a super-2 number, since 2×293072192842 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29307219283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258062 + ... + 353850.

It is an arithmetic number, because the mean of its divisors is an integer number (1251656000).

Almost surely, 229307219284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29307219284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30039744000).

29307219284 is an abundant number, since it is smaller than the sum of its proper divisors (30772268716).

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

29307219284 is a wasteful number, since it uses less digits than its factorization.

29307219284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96037 (or 96021 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 29307219284 in words is "twenty-nine billion, three hundred seven million, two hundred nineteen thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 49 98 196 223 343 446 686 892 1372 1561 3122 6244 10927 21854 43708 76489 95789 152978 191578 305956 383156 670523 1341046 2682092 4693661 9387322 18774644 21360947 32855627 42721894 65711254 85443788 131422508 149526629 299053258 598106516 1046686403 2093372806 4186745612 7326804821 14653609642 29307219284