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13729560784 = 24858097549
BaseRepresentation
bin11001100100101100…
…00111100011010000
31022102211120221201021
430302112013203100
5211104231421114
610150212045224
7664142225002
oct146226074320
938384527637
1013729560784
115905a85255
1227b2003814
1313aa591184
149435da372
15555513024
hex3325878d0

13729560784 has 10 divisors (see below), whose sum is σ = 26601024050. Its totient is φ = 6864780384.

The previous prime is 13729560781. The next prime is 13729560809. The reversal of 13729560784 is 48706592731.

It can be written as a sum of positive squares in only one way, i.e., 7661150784 + 6068410000 = 87528^2 + 77900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729560781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429048759 + ... + 429048790.

It is an arithmetic number, because the mean of its divisors is an integer number (2660102405).

It is a 1-persistent number, because it is pandigital, but 2⋅13729560784 = 27459121568 is not.

Almost surely, 213729560784 is an apocalyptic number.

It is an amenable number.

13729560784 is a deficient number, since it is larger than the sum of its proper divisors (12871463266).

13729560784 is an equidigital number, since it uses as much as digits as its factorization.

13729560784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858097557 (or 858097551 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 13729560784 in words is "thirteen billion, seven hundred twenty-nine million, five hundred sixty thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 858097549 1716195098 3432390196 6864780392 13729560784