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5667694398864 = 24321983912
BaseRepresentation
bin101001001111001110011…
…1010010100110110010000
3202001211022100220221121100
41102132130322110312100
51220324414231230424
620015411452424400
71123322515336461
oct122363472246620
922054270827540
105667694398864
111895723805943
1277652b478100
133215cc5b2694
14158464356d68
159c66a573dc9
hex5279ce94d90

5667694398864 has 45 divisors (see below), whose sum is σ = 15861752471019. Its totient is φ = 1889221943520.

The previous prime is 5667694398853. The next prime is 5667694398881. The reversal of 5667694398864 is 4688934967665.

The square root of 5667694398864 is 2380692.

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

5667694398864 is a `hidden beast` number, since 5 + 6 + 67 + 6 + 94 + 398 + 86 + 4 = 666.

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, 28469109 + ... + 28667499.

Almost surely, 25667694398864 is an apocalyptic number.

5667694398864 is the 2380692-nd square number.

It is an amenable number.

5667694398864 is an abundant number, since it is smaller than the sum of its proper divisors (10194058072155).

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

5667694398864 is an frugal number, since it uses more digits than its factorization.

5667694398864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396796 (or 198396 counting only the distinct ones).

The product of its digits is 11287019520, while the sum is 81.

Multiplying 5667694398864 by its sum of digits (81), we get a square (459083246307984 = 214262282).

The spelling of 5667694398864 in words is "five trillion, six hundred sixty-seven billion, six hundred ninety-four million, three hundred ninety-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 198391 396782 595173 793564 1190346 1587128 1785519 2380692 3174256 3571038 4761384 7142076 9522768 14284152 28568304 39358988881 78717977762 118076966643 157435955524 236153933286 314871911048 354230899929 472307866572 629743822096 708461799858 944615733144 1416923599716 1889231466288 2833847199432 5667694398864