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29530913760 = 253251131271429
BaseRepresentation
bin11011100000001011…
…011111101111100000
32211020001121212000200
4123200023133233200
5440434403220020
621322153545200
72063542424325
oct334013375740
984201555020
1029530913760
1111584481657
125881a15200
132a28144b8a
14160201cb4c
15b7c86a590
hex6e02dfbe0

29530913760 has 288 divisors, whose sum is σ = 102538275840. Its totient is φ = 7738343424.

The previous prime is 29530913747. The next prime is 29530913771. The reversal of 29530913760 is 6731903592.

29530913760 is a `hidden beast` number, since 29 + 530 + 9 + 1 + 37 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 20664726 + ... + 20666154.

It is an arithmetic number, because the mean of its divisors is an integer number (356035680).

Almost surely, 229530913760 is an apocalyptic number.

29530913760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29530913760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51269137920).

29530913760 is an abundant number, since it is smaller than the sum of its proper divisors (73007362080).

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

29530913760 is a wasteful number, since it uses less digits than its factorization.

29530913760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The spelling of 29530913760 in words is "twenty-nine billion, five hundred thirty million, nine hundred thirteen thousand, seven hundred sixty".