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28496486004100 = 22525338212
BaseRepresentation
bin1100111101010110110101…
…11011001111010110000100
310201220020102002212010121021
412132223122323033112010
512213341300404112400
6140335034400200524
76000542326316512
oct636533273172604
9121806362763537
1028496486004100
1190973234a1624
123242987609144
1312b928ccc8a3a
1470734715b4b2
153463d41aa71a
hex19eadaecf584

28496486004100 has 27 divisors (see below), whose sum is σ = 61837490468271. Its totient is φ = 11398573048800.

The previous prime is 28496486004071. The next prime is 28496486004113. The reversal of 28496486004100 is 140068469482.

The square root of 28496486004100 is 5338210.

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

It can be written as a sum of positive squares in 4 ways, for example, as 1308520936836 + 27187965067264 = 1143906^2 + 5214208^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53115190 + ... + 53649010.

Almost surely, 228496486004100 is an apocalyptic number.

28496486004100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

28496486004100 is the 5338210-th square number.

It is an amenable number.

28496486004100 is an abundant number, since it is smaller than the sum of its proper divisors (33341004464171).

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

28496486004100 is an frugal number, since it uses more digits than its factorization.

28496486004100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067656 (or 533828 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 28496486004100 in words is "twenty-eight trillion, four hundred ninety-six billion, four hundred eighty-six million, four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 533821 1067642 2135284 2669105 5338210 10676420 13345525 26691050 53382100 284964860041 569929720082 1139859440164 1424824300205 2849648600410 5699297200820 7124121501025 14248243002050 28496486004100