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1996873855 = 52549156679
BaseRepresentation
bin111011100000101…
…1110000001111111
312011011110200221221
41313001132001333
513042144430410
6530051534211
7100325101444
oct16701360177
95134420857
101996873855
11935201979
124788ba367
1325a921482
1414d2c39cb
15ba4964da
hex7705e07f

1996873855 has 8 divisors (see below), whose sum is σ = 2397204000. Its totient is φ = 1596862176.

The previous prime is 1996873847. The next prime is 1996873871. The reversal of 1996873855 is 5583786991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1996873855 - 23 = 1996873847 is a prime.

It is a super-2 number, since 2×19968738552 = 7975010385565122050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1996873793 and 1996873802.

It is a congruent number.

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, 65595 + ... + 91084.

It is an arithmetic number, because the mean of its divisors is an integer number (299650500).

Almost surely, 21996873855 is an apocalyptic number.

1996873855 is a deficient number, since it is larger than the sum of its proper divisors (400330145).

1996873855 is a wasteful number, since it uses less digits than its factorization.

1996873855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159233.

The product of its digits is 16329600, while the sum is 61.

The square root of 1996873855 is about 44686.3945177948. The cubic root of 1996873855 is about 1259.2642582565.

The spelling of 1996873855 in words is "one billion, nine hundred ninety-six million, eight hundred seventy-three thousand, eight hundred fifty-five".

Divisors: 1 5 2549 12745 156679 783395 399374771 1996873855