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13698938880 = 2113251113513
BaseRepresentation
bin11001100001000010…
…10011100000000000
31022100200222012100200
430300201103200000
5211023412021010
610143155445200
7663321026214
oct146041234000
938320865320
1013698938880
11589a76a5a0
1227a38b6800
1313a412c0c3
1493d508944
155529b4cc0
hex330853800

13698938880 has 288 divisors, whose sum is σ = 51798080880. Its totient is φ = 3320709120.

The previous prime is 13698938879. The next prime is 13698938893. The reversal of 13698938880 is 8883989631.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1007004 + ... + 1020516.

Almost surely, 213698938880 is an apocalyptic number.

13698938880 is a gapful number since it is divisible by the number (10) 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 13698938880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25899040440).

13698938880 is an abundant number, since it is smaller than the sum of its proper divisors (38099142000).

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

13698938880 is a wasteful number, since it uses less digits than its factorization.

13698938880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557 (or 13534 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 63.

The spelling of 13698938880 in words is "thirteen billion, six hundred ninety-eight million, nine hundred thirty-eight thousand, eight hundred eighty".