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29884984400 = 245274712461
BaseRepresentation
bin11011110101010010…
…001010110001010000
32212010201212111122002
4123311102022301100
5442201024000100
621421242533132
72105402114255
oct336522126120
985121774562
1029884984400
1111746327117
1259605071a8
132a835c4b2b
14163706942c
15b9d9aa2d5
hex6f548ac50

29884984400 has 30 divisors (see below), whose sum is σ = 71798675982. Its totient is φ = 11953993600.

The previous prime is 29884984373. The next prime is 29884984411. The reversal of 29884984400 is 448948892.

It can be written as a sum of positive squares in 3 ways, for example, as 7801835584 + 22083148816 = 88328^2 + 148604^2 .

It is a super-2 number, since 2×298849844002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37355831 + ... + 37356630.

Almost surely, 229884984400 is an apocalyptic number.

29884984400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29884984400 is an abundant number, since it is smaller than the sum of its proper divisors (41913691582).

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

29884984400 is a wasteful number, since it uses less digits than its factorization.

29884984400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74712479 (or 74712468 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 56.

The spelling of 29884984400 in words is "twenty-nine billion, eight hundred eighty-four million, nine hundred eighty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 74712461 149424922 298849844 373562305 597699688 747124610 1195399376 1494249220 1867811525 2988498440 3735623050 5976996880 7471246100 14942492200 29884984400