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427748816960 = 2651336715053
BaseRepresentation
bin1100011100101111101…
…00001111100001000000
31111220002112212022210022
412032113310033201000
524002012144120320
6524301033353012
742622004645003
oct6162764174100
91456075768708
10427748816960
11155453068283
126aa98268768
133144b4c106a
14169bb64953a
15b1d7a95325
hex6397d0f840

427748816960 has 28 divisors (see below), whose sum is σ = 1018576871148. Its totient is φ = 171099526656.

The previous prime is 427748816959. The next prime is 427748816983. The reversal of 427748816960 is 69618847724.

It can be written as a sum of positive squares in 2 ways, for example, as 156157748224 + 271591068736 = 395168^2 + 521144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 427748816893 and 427748816902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668357207 + ... + 668357846.

Almost surely, 2427748816960 is an apocalyptic number.

427748816960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

427748816960 is an abundant number, since it is smaller than the sum of its proper divisors (590828054188).

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

427748816960 is a wasteful number, since it uses less digits than its factorization.

427748816960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336715070 (or 1336715060 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 427748816960 in words is "four hundred twenty-seven billion, seven hundred forty-eight million, eight hundred sixteen thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 1336715053 2673430106 5346860212 6683575265 10693720424 13367150530 21387440848 26734301060 42774881696 53468602120 85549763392 106937204240 213874408480 427748816960