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61274208001 is a prime number
BaseRepresentation
bin111001000100001110…
…100011011100000001
312212011022020021112011
4321010032203130001
52000442144124001
644052102532521
74266301113556
oct710416433401
9185138207464
1061274208001
1123a93769426
12ba60737141
135a16734616
142d73bbca2d
1518d954ad51
hexe443a3701

61274208001 has 2 divisors, whose sum is σ = 61274208002. Its totient is φ = 61274208000.

The previous prime is 61274207987. The next prime is 61274208019. The reversal of 61274208001 is 10080247216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60096071025 + 1178136976 = 245145^2 + 34324^2 .

It is a cyclic number.

It is not a de Polignac number, because 61274208001 - 213 = 61274199809 is a prime.

It is a super-2 number, since 2×612742080012 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61274208071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30637104000 + 30637104001.

It is an arithmetic number, because the mean of its divisors is an integer number (30637104001).

Almost surely, 261274208001 is an apocalyptic number.

It is an amenable number.

61274208001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61274208001 is an equidigital number, since it uses as much as digits as its factorization.

61274208001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 61274208001 in words is "sixty-one billion, two hundred seventy-four million, two hundred eight thousand, one".