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13789804900 = 2252117432
BaseRepresentation
bin11001101011110111…
…11011100101100100
31022121000221200002211
430311323323211210
5211220142224100
610200203213204
7665503256554
oct146573734544
938530850084
1013789804900
115936a92583
12280a217204
1313b9bc5291
1494b5dd164
1555a9631ba
hex335efb964

13789804900 has 27 divisors (see below), whose sum is σ = 29926425081. Its totient is φ = 5515452240.

The previous prime is 13789804883. The next prime is 13789804909. The reversal of 13789804900 is 940898731.

It is a happy number.

The square root of 13789804900 is 117430.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4964329764 + 8825475136 = 70458^2 + 93944^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13789804909) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1168429 + ... + 1180171.

Almost surely, 213789804900 is an apocalyptic number.

13789804900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13789804900 is the 117430-th square number.

It is an amenable number.

13789804900 is an abundant number, since it is smaller than the sum of its proper divisors (16136620181).

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

13789804900 is an frugal number, since it uses more digits than its factorization.

13789804900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23500 (or 11750 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

Multiplying 13789804900 by its sum of digits (49), we get a square (675700440100 = 8220102).

The spelling of 13789804900 in words is "thirteen billion, seven hundred eighty-nine million, eight hundred four thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 11743 23486 46972 58715 117430 234860 293575 587150 1174300 137898049 275796098 551592196 689490245 1378980490 2757960980 3447451225 6894902450 13789804900