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20767151029 is a prime number
BaseRepresentation
bin10011010101110100…
…011001001110110101
31222121022001120121211
4103111310121032311
5320012342313104
613312412041421
71333425604552
oct232564311665
958538046554
1020767151029
118897573a39
124036a63271
131c5c5c8b61
14101013da29
158182a4e04
hex4d5d193b5

20767151029 has 2 divisors, whose sum is σ = 20767151030. Its totient is φ = 20767151028.

The previous prime is 20767150981. The next prime is 20767151047. The reversal of 20767151029 is 92015176702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20506812804 + 260338225 = 143202^2 + 16135^2 .

It is a cyclic number.

It is not a de Polignac number, because 20767151029 - 215 = 20767118261 is a prime.

It is a super-2 number, since 2×207671510292 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20767150982 and 20767151000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20767151059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10383575514 + 10383575515.

It is an arithmetic number, because the mean of its divisors is an integer number (10383575515).

Almost surely, 220767151029 is an apocalyptic number.

It is an amenable number.

20767151029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20767151029 is an equidigital number, since it uses as much as digits as its factorization.

20767151029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 20767151029 in words is "twenty billion, seven hundred sixty-seven million, one hundred fifty-one thousand, twenty-nine".