Search a number
-
+
7995556007 is a prime number
BaseRepresentation
bin1110111001001001…
…01000000010100111
3202122020001022212222
413130210220002213
5112333330243012
63401220302555
7402065050625
oct73444500247
922566038788
107995556007
11343331262a
121671841a5b
139a564843a
1455bc6c515
1531be1d972
hex1dc9280a7

7995556007 has 2 divisors, whose sum is σ = 7995556008. Its totient is φ = 7995556006.

The previous prime is 7995555989. The next prime is 7995556031. The reversal of 7995556007 is 7006555997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7995556007 - 226 = 7928447143 is a prime.

It is a super-2 number, since 2×79955560072 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7995556007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7995556207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3997778003 + 3997778004.

It is an arithmetic number, because the mean of its divisors is an integer number (3997778004).

Almost surely, 27995556007 is an apocalyptic number.

7995556007 is a deficient number, since it is larger than the sum of its proper divisors (1).

7995556007 is an equidigital number, since it uses as much as digits as its factorization.

7995556007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2976750, while the sum is 53.

The square root of 7995556007 is about 89417.8729729130. The cubic root of 7995556007 is about 1999.6295986557.

The spelling of 7995556007 in words is "seven billion, nine hundred ninety-five million, five hundred fifty-six thousand, seven".