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7990212210002 = 211401939036187
BaseRepresentation
bin111010001000101110111…
…0000101010110101010010
31001021212010121221011010122
41310101131300222311102
52021402423311210002
624554353001430242
71453162623114311
oct164213560526522
931255117834118
107990212210002
1126006a25407a0
12a90681a9b382
1345c620b77749
141d8a2a79a278
15dcc9ca246a2
hex7445dc2ad52

7990212210002 has 16 divisors (see below), whose sum is σ = 13075219456992. Its totient is φ = 3631823877120.

The previous prime is 7990212209983. The next prime is 7990212210007. The reversal of 7990212210002 is 2000122120997.

It is not an unprimeable number, because it can be changed into a prime (7990212210007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633848 + ... + 5402339.

It is an arithmetic number, because the mean of its divisors is an integer number (817201216062).

Almost surely, 27990212210002 is an apocalyptic number.

7990212210002 is a deficient number, since it is larger than the sum of its proper divisors (5085007246990).

7990212210002 is a wasteful number, since it uses less digits than its factorization.

7990212210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076393.

The product of its (nonzero) digits is 9072, while the sum is 35.

Adding to 7990212210002 its reverse (2000122120997), we get a palindrome (9990334330999).

The spelling of 7990212210002 in words is "seven trillion, nine hundred ninety billion, two hundred twelve million, two hundred ten thousand, two".

Divisors: 1 2 11 22 40193 80386 442123 884246 9036187 18072374 99398057 198796114 363191464091 726382928182 3995106105001 7990212210002