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72605387204041 is a prime number
BaseRepresentation
bin10000100000100011000010…
…010100000010010111001001
3100112002000012021021222220111
4100200203002110002113021
534004031313111012131
6414230242053154321
721202365115332256
oct2040430224022711
9315060167258814
1072605387204041
112115285429264a
1281874b132b9a1
133168874038373
1413d0195c5042d
1585d97577eab1
hex4208c25025c9

72605387204041 has 2 divisors, whose sum is σ = 72605387204042. Its totient is φ = 72605387204040.

The previous prime is 72605387204023. The next prime is 72605387204107. The reversal of 72605387204041 is 14040278350627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53162764038400 + 19442623165641 = 7291280^2 + 4409379^2 .

It is a cyclic number.

It is not a de Polignac number, because 72605387204041 - 217 = 72605387072969 is a prime.

It is not a weakly prime, because it can be changed into another prime (72605387204641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36302693602020 + 36302693602021.

It is an arithmetic number, because the mean of its divisors is an integer number (36302693602021).

Almost surely, 272605387204041 is an apocalyptic number.

It is an amenable number.

72605387204041 is a deficient number, since it is larger than the sum of its proper divisors (1).

72605387204041 is an equidigital number, since it uses as much as digits as its factorization.

72605387204041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 72605387204041 in words is "seventy-two trillion, six hundred five billion, three hundred eighty-seven million, two hundred four thousand, forty-one".