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168277151041231 is a prime number
BaseRepresentation
bin100110010000110000010011…
…110011111100011011001111
3211001211010201222200002220011
4212100300103303330123033
5134024023101131304411
61353521242253534051
750305423450240501
oct4620602363743317
9731733658602804
10168277151041231
1149688a36871911
1216a592a54a4327
1372b860c72cb2b
142d7a92c517d71
15146c41ca6ec21
hex990c13cfc6cf

168277151041231 has 2 divisors, whose sum is σ = 168277151041232. Its totient is φ = 168277151041230.

The previous prime is 168277151041189. The next prime is 168277151041253. The reversal of 168277151041231 is 132140151772861.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-168277151041231 is a prime.

It is a super-2 number, since 2×1682771510412312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168277151045231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84138575520615 + 84138575520616.

It is an arithmetic number, because the mean of its divisors is an integer number (84138575520616).

Almost surely, 2168277151041231 is an apocalyptic number.

168277151041231 is a deficient number, since it is larger than the sum of its proper divisors (1).

168277151041231 is an equidigital number, since it uses as much as digits as its factorization.

168277151041231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 168277151041231 in words is "one hundred sixty-eight trillion, two hundred seventy-seven billion, one hundred fifty-one million, forty-one thousand, two hundred thirty-one".