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7900212011 is a prime number
BaseRepresentation
bin1110101101110001…
…11010101100101011
3202101120122100111212
413112320322230223
5112134423241021
63343532543335
7366526460036
oct72670725453
922346570455
107900212011
11339451123a
121645921b4b
1398b974c83
1454d33001d
1531388885b
hex1d6e3ab2b

7900212011 has 2 divisors, whose sum is σ = 7900212012. Its totient is φ = 7900212010.

The previous prime is 7900212007. The next prime is 7900212029. The reversal of 7900212011 is 1102120097.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7900212011 - 22 = 7900212007 is a prime.

It is not a weakly prime, because it can be changed into another prime (7900212031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950106005 + 3950106006.

It is an arithmetic number, because the mean of its divisors is an integer number (3950106006).

Almost surely, 27900212011 is an apocalyptic number.

7900212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7900212011 is an equidigital number, since it uses as much as digits as its factorization.

7900212011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 7900212011 is about 88883.1368202090. The cubic root of 7900212011 is about 1991.6495174946.

The spelling of 7900212011 in words is "seven billion, nine hundred million, two hundred twelve thousand, eleven".