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12810471184 = 247234973009
BaseRepresentation
bin10111110111001000…
…00100011100010000
31020001210011100210201
423323210010130100
5202213440034214
65515100504544
7632312131330
oct137344043420
936053140721
1012810471184
1154841a4675
12259624b154
131292042884
148975110c0
154ee9b5274
hex2fb904710

12810471184 has 40 divisors (see below), whose sum is σ = 29599355520. Its totient is φ = 5251496448.

The previous prime is 12810471169. The next prime is 12810471257. The reversal of 12810471184 is 48117401821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2483929 + ... + 2489080.

It is an arithmetic number, because the mean of its divisors is an integer number (739983888).

Almost surely, 212810471184 is an apocalyptic number.

12810471184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12810471184 is an abundant number, since it is smaller than the sum of its proper divisors (16788884336).

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

12810471184 is a wasteful number, since it uses less digits than its factorization.

12810471184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973047 (or 4973041 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 37.

The spelling of 12810471184 in words is "twelve billion, eight hundred ten million, four hundred seventy-one thousand, one hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 23 28 46 56 92 112 161 184 322 368 644 1288 2576 4973009 9946018 19892036 34811063 39784072 69622126 79568144 114379207 139244252 228758414 278488504 457516828 556977008 800654449 915033656 1601308898 1830067312 3202617796 6405235592 12810471184