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7996804855 = 513271453977
BaseRepresentation
bin1110111001010010…
…11000111011110111
3202122022101202222121
413130221120323313
5112334140223410
63401303140411
7402111501604
oct73451307367
922568352877
107996804855
113433a95936
121672144707
139a59949c0
1455c0b56ab
1531c0b89da
hex1dca58ef7

7996804855 has 16 divisors (see below), whose sum is σ = 10372489344. Its totient is φ = 5883528960.

The previous prime is 7996804817. The next prime is 7996804867. The reversal of 7996804855 is 5584086997.

It is not a de Polignac number, because 7996804855 - 215 = 7996772087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7996804793 and 7996804802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209374 + ... + 244603.

It is an arithmetic number, because the mean of its divisors is an integer number (648280584).

Almost surely, 27996804855 is an apocalyptic number.

7996804855 is a deficient number, since it is larger than the sum of its proper divisors (2375684489).

7996804855 is a wasteful number, since it uses less digits than its factorization.

7996804855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454266.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The square root of 7996804855 is about 89424.8559126600. The cubic root of 7996804855 is about 1999.7337024611.

The spelling of 7996804855 in words is "seven billion, nine hundred ninety-six million, eight hundred four thousand, eight hundred fifty-five".

Divisors: 1 5 13 65 271 1355 3523 17615 453977 2269885 5901701 29508505 123027767 615138835 1599360971 7996804855