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60218672861 is a prime number
BaseRepresentation
bin111000000101010100…
…000000011011011101
312202102202001112112002
4320011110000123131
51441311440012421
643355235052045
74231163162624
oct700524003335
9182382045462
1060218672861
11235a1964236
12b807141025
1358a8b51809
142cb39366bb
151876a49b0b
hexe055006dd

60218672861 has 2 divisors, whose sum is σ = 60218672862. Its totient is φ = 60218672860.

The previous prime is 60218672849. The next prime is 60218672923. The reversal of 60218672861 is 16827681206.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30898959961 + 29319712900 = 175781^2 + 171230^2 .

It is a cyclic number.

It is not a de Polignac number, because 60218672861 - 210 = 60218671837 is a prime.

It is a super-2 number, since 2×602186728612 (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60218672821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30109336430 + 30109336431.

It is an arithmetic number, because the mean of its divisors is an integer number (30109336431).

Almost surely, 260218672861 is an apocalyptic number.

It is an amenable number.

60218672861 is a deficient number, since it is larger than the sum of its proper divisors (1).

60218672861 is an equidigital number, since it uses as much as digits as its factorization.

60218672861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 60218672861 in words is "sixty billion, two hundred eighteen million, six hundred seventy-two thousand, eight hundred sixty-one".